Home / 75,520.02-104,220.30-41,531.10

Finding the Fourth Proportional to 75,520.02, 104,220.30 and 41,531.10

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Solution

The fourth proportional to 75,520.02, 104,220.30 and 41,531.10 is: 57,314.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,520.02 : 104,220.30 = 41,531.10 : x
  2. Step 2: Convert to fraction form
    75,520.02/104,220.30 = 41,531.10/x
  3. Step 3: Cross multiply
    75,520.02x = 104,220.30 × 41,531.10
  4. Step 4: Simplify right side
    75,520.02x = 4,328,383,701.33
  5. Step 5: Solve for x
    x = 4,328,383,701.33/75,520.02
  6. Step 6: Final answer
    x = 57,314.39

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.