Home / 94,419.60-141,337.80-54,859.20

Finding the Fourth Proportional to 94,419.60, 141,337.80 and 54,859.20

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Solution

The fourth proportional to 94,419.60, 141,337.80 and 54,859.20 is: 82,119.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,419.60 : 141,337.80 = 54,859.20 : x
  2. Step 2: Convert to fraction form
    94,419.60/141,337.80 = 54,859.20/x
  3. Step 3: Cross multiply
    94,419.60x = 141,337.80 × 54,859.20
  4. Step 4: Simplify right side
    94,419.60x = 7,753,678,637.76
  5. Step 5: Solve for x
    x = 7,753,678,637.76/94,419.60
  6. Step 6: Final answer
    x = 82,119.38

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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.