Home / 89,812.32-123,946.50-49,525.92

Finding the Fourth Proportional to 89,812.32, 123,946.50 and 49,525.92

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Solution

The fourth proportional to 89,812.32, 123,946.50 and 49,525.92 is: 68,348.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,812.32 : 123,946.50 = 49,525.92 : x
  2. Step 2: Convert to fraction form
    89,812.32/123,946.50 = 49,525.92/x
  3. Step 3: Cross multiply
    89,812.32x = 123,946.50 × 49,525.92
  4. Step 4: Simplify right side
    89,812.32x = 6,138,564,443.28
  5. Step 5: Solve for x
    x = 6,138,564,443.28/89,812.32
  6. Step 6: Final answer
    x = 68,348.80

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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.