Home / 62,432.48-93,629.20-20,869.76

Finding the Fourth Proportional to 62,432.48, 93,629.20 and 20,869.76

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Solution

The fourth proportional to 62,432.48, 93,629.20 and 20,869.76 is: 31,298.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,432.48 : 93,629.20 = 20,869.76 : x
  2. Step 2: Convert to fraction form
    62,432.48/93,629.20 = 20,869.76/x
  3. Step 3: Cross multiply
    62,432.48x = 93,629.20 × 20,869.76
  4. Step 4: Simplify right side
    62,432.48x = 1,954,018,932.99
  5. Step 5: Solve for x
    x = 1,954,018,932.99/62,432.48
  6. Step 6: Final answer
    x = 31,298.11

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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.