Home / 62,425.50-93,618.72-20,862.78

Finding the Fourth Proportional to 62,425.50, 93,618.72 and 20,862.78

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Solution

The fourth proportional to 62,425.50, 93,618.72 and 20,862.78 is: 31,287.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,425.50 : 93,618.72 = 20,862.78 : x
  2. Step 2: Convert to fraction form
    62,425.50/93,618.72 = 20,862.78/x
  3. Step 3: Cross multiply
    62,425.50x = 93,618.72 × 20,862.78
  4. Step 4: Simplify right side
    62,425.50x = 1,953,146,759.24
  5. Step 5: Solve for x
    x = 1,953,146,759.24/62,425.50
  6. Step 6: Final answer
    x = 31,287.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.