Home / 109,981.68-151,773.39-62,233.80

Finding the Fourth Proportional to 109,981.68, 151,773.39 and 62,233.80

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Solution

The fourth proportional to 109,981.68, 151,773.39 and 62,233.80 is: 85,881.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,981.68 : 151,773.39 = 62,233.80 : x
  2. Step 2: Convert to fraction form
    109,981.68/151,773.39 = 62,233.80/x
  3. Step 3: Cross multiply
    109,981.68x = 151,773.39 × 62,233.80
  4. Step 4: Simplify right side
    109,981.68x = 9,445,434,798.58
  5. Step 5: Solve for x
    x = 9,445,434,798.58/109,981.68
  6. Step 6: Final answer
    x = 85,881.89

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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.