Home / 66,484.17-99,763.50-35,318.61

Finding the Fourth Proportional to 66,484.17, 99,763.50 and 35,318.61

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Solution

The fourth proportional to 66,484.17, 99,763.50 and 35,318.61 is: 52,997.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,484.17 : 99,763.50 = 35,318.61 : x
  2. Step 2: Convert to fraction form
    66,484.17/99,763.50 = 35,318.61/x
  3. Step 3: Cross multiply
    66,484.17x = 99,763.50 × 35,318.61
  4. Step 4: Simplify right side
    66,484.17x = 3,523,508,148.74
  5. Step 5: Solve for x
    x = 3,523,508,148.74/66,484.17
  6. Step 6: Final answer
    x = 52,997.70

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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.