Home / 62,760.74-86,622.09-38,898.02

Finding the Fourth Proportional to 62,760.74, 86,622.09 and 38,898.02

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Solution

The fourth proportional to 62,760.74, 86,622.09 and 38,898.02 is: 53,686.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,760.74 : 86,622.09 = 38,898.02 : x
  2. Step 2: Convert to fraction form
    62,760.74/86,622.09 = 38,898.02/x
  3. Step 3: Cross multiply
    62,760.74x = 86,622.09 × 38,898.02
  4. Step 4: Simplify right side
    62,760.74x = 3,369,427,789.26
  5. Step 5: Solve for x
    x = 3,369,427,789.26/62,760.74
  6. Step 6: Final answer
    x = 53,686.87

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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.