Home / 75,510.02-104,201.60-41,518.56

Finding the Fourth Proportional to 75,510.02, 104,201.60 and 41,518.56

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Solution

The fourth proportional to 75,510.02, 104,201.60 and 41,518.56 is: 57,294.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,510.02 : 104,201.60 = 41,518.56 : x
  2. Step 2: Convert to fraction form
    75,510.02/104,201.60 = 41,518.56/x
  3. Step 3: Cross multiply
    75,510.02x = 104,201.60 × 41,518.56
  4. Step 4: Simplify right side
    75,510.02x = 4,326,300,381.70
  5. Step 5: Solve for x
    x = 4,326,300,381.70/75,510.02
  6. Step 6: Final answer
    x = 57,294.39

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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.