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Finding the Fourth Proportional to 89,036.70, 133,555.05 and 59,244.90

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Solution

The fourth proportional to 89,036.70, 133,555.05 and 59,244.90 is: 88,867.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,036.70 : 133,555.05 = 59,244.90 : x
  2. Step 2: Convert to fraction form
    89,036.70/133,555.05 = 59,244.90/x
  3. Step 3: Cross multiply
    89,036.70x = 133,555.05 × 59,244.90
  4. Step 4: Simplify right side
    89,036.70x = 7,912,455,581.75
  5. Step 5: Solve for x
    x = 7,912,455,581.75/89,036.70
  6. Step 6: Final answer
    x = 88,867.35

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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.