Home / 75,029.93-103,555.16-48,205.97

Finding the Fourth Proportional to 75,029.93, 103,555.16 and 48,205.97

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Solution

The fourth proportional to 75,029.93, 103,555.16 and 48,205.97 is: 66,533.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,029.93 : 103,555.16 = 48,205.97 : x
  2. Step 2: Convert to fraction form
    75,029.93/103,555.16 = 48,205.97/x
  3. Step 3: Cross multiply
    75,029.93x = 103,555.16 × 48,205.97
  4. Step 4: Simplify right side
    75,029.93x = 4,991,976,177.50
  5. Step 5: Solve for x
    x = 4,991,976,177.50/75,029.93
  6. Step 6: Final answer
    x = 66,533.14

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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.