Home / 55,981.13-83,971.69-16,565.92

Finding the Fourth Proportional to 55,981.13, 83,971.69 and 16,565.92

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Solution

The fourth proportional to 55,981.13, 83,971.69 and 16,565.92 is: 24,848.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,981.13 : 83,971.69 = 16,565.92 : x
  2. Step 2: Convert to fraction form
    55,981.13/83,971.69 = 16,565.92/x
  3. Step 3: Cross multiply
    55,981.13x = 83,971.69 × 16,565.92
  4. Step 4: Simplify right side
    55,981.13x = 1,391,068,047.46
  5. Step 5: Solve for x
    x = 1,391,068,047.46/55,981.13
  6. Step 6: Final answer
    x = 24,848.88

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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.