Home / 62,761.74-86,623.47-38,899.02

Finding the Fourth Proportional to 62,761.74, 86,623.47 and 38,899.02

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Solution

The fourth proportional to 62,761.74, 86,623.47 and 38,899.02 is: 53,688.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,761.74 : 86,623.47 = 38,899.02 : x
  2. Step 2: Convert to fraction form
    62,761.74/86,623.47 = 38,899.02/x
  3. Step 3: Cross multiply
    62,761.74x = 86,623.47 × 38,899.02
  4. Step 4: Simplify right side
    62,761.74x = 3,369,568,092.00
  5. Step 5: Solve for x
    x = 3,369,568,092.00/62,761.74
  6. Step 6: Final answer
    x = 53,688.25

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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.