Home / 89,207.20-133,697.40-36,557.20

Finding the Fourth Proportional to 89,207.20, 133,697.40 and 36,557.20

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Solution

The fourth proportional to 89,207.20, 133,697.40 and 36,557.20 is: 54,789.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,207.20 : 133,697.40 = 36,557.20 : x
  2. Step 2: Convert to fraction form
    89,207.20/133,697.40 = 36,557.20/x
  3. Step 3: Cross multiply
    89,207.20x = 133,697.40 × 36,557.20
  4. Step 4: Simplify right side
    89,207.20x = 4,887,602,591.28
  5. Step 5: Solve for x
    x = 4,887,602,591.28/89,207.20
  6. Step 6: Final answer
    x = 54,789.33

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1.5x scale

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.