Home / 62,760.24-86,621.40-38,897.52

Finding the Fourth Proportional to 62,760.24, 86,621.40 and 38,897.52

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Solution

The fourth proportional to 62,760.24, 86,621.40 and 38,897.52 is: 53,686.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,760.24 : 86,621.40 = 38,897.52 : x
  2. Step 2: Convert to fraction form
    62,760.24/86,621.40 = 38,897.52/x
  3. Step 3: Cross multiply
    62,760.24x = 86,621.40 × 38,897.52
  4. Step 4: Simplify right side
    62,760.24x = 3,369,357,638.93
  5. Step 5: Solve for x
    x = 3,369,357,638.93/62,760.24
  6. Step 6: Final answer
    x = 53,686.18

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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.