Home / 62,747.48-86,589.14-38,873.64

Finding the Fourth Proportional to 62,747.48, 86,589.14 and 38,873.64

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Solution

The fourth proportional to 62,747.48, 86,589.14 and 38,873.64 is: 53,644.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,747.48 : 86,589.14 = 38,873.64 : x
  2. Step 2: Convert to fraction form
    62,747.48/86,589.14 = 38,873.64/x
  3. Step 3: Cross multiply
    62,747.48x = 86,589.14 × 38,873.64
  4. Step 4: Simplify right side
    62,747.48x = 3,366,035,056.27
  5. Step 5: Solve for x
    x = 3,366,035,056.27/62,747.48
  6. Step 6: Final answer
    x = 53,644.15

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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.