Home / 89,002.33-133,503.13-36,411.78

Finding the Fourth Proportional to 89,002.33, 133,503.13 and 36,411.78

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Solution

The fourth proportional to 89,002.33, 133,503.13 and 36,411.78 is: 54,617.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,002.33 : 133,503.13 = 36,411.78 : x
  2. Step 2: Convert to fraction form
    89,002.33/133,503.13 = 36,411.78/x
  3. Step 3: Cross multiply
    89,002.33x = 133,503.13 × 36,411.78
  4. Step 4: Simplify right side
    89,002.33x = 4,861,086,598.87
  5. Step 5: Solve for x
    x = 4,861,086,598.87/89,002.33
  6. Step 6: Final answer
    x = 54,617.52

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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.