Home / 62,731.62-86,586.23-38,844.72

Finding the Fourth Proportional to 62,731.62, 86,586.23 and 38,844.72

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Solution

The fourth proportional to 62,731.62, 86,586.23 and 38,844.72 is: 53,615.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,731.62 : 86,586.23 = 38,844.72 : x
  2. Step 2: Convert to fraction form
    62,731.62/86,586.23 = 38,844.72/x
  3. Step 3: Cross multiply
    62,731.62x = 86,586.23 × 38,844.72
  4. Step 4: Simplify right side
    62,731.62x = 3,363,417,860.21
  5. Step 5: Solve for x
    x = 3,363,417,860.21/62,731.62
  6. Step 6: Final answer
    x = 53,615.99

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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.