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Finding the Fourth Proportional to 89,033.40, 133,550.10 and 42,377.40

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Solution

The fourth proportional to 89,033.40, 133,550.10 and 42,377.40 is: 63,566.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,033.40 : 133,550.10 = 42,377.40 : x
  2. Step 2: Convert to fraction form
    89,033.40/133,550.10 = 42,377.40/x
  3. Step 3: Cross multiply
    89,033.40x = 133,550.10 × 42,377.40
  4. Step 4: Simplify right side
    89,033.40x = 5,659,506,007.74
  5. Step 5: Solve for x
    x = 5,659,506,007.74/89,033.40
  6. Step 6: Final answer
    x = 63,566.10

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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.