Home / 89,740.28-134,461.62-54,573.56

Finding the Fourth Proportional to 89,740.28, 134,461.62 and 54,573.56

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Solution

The fourth proportional to 89,740.28, 134,461.62 and 54,573.56 is: 81,769.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,740.28 : 134,461.62 = 54,573.56 : x
  2. Step 2: Convert to fraction form
    89,740.28/134,461.62 = 54,573.56/x
  3. Step 3: Cross multiply
    89,740.28x = 134,461.62 × 54,573.56
  4. Step 4: Simplify right side
    89,740.28x = 7,338,049,286.77
  5. Step 5: Solve for x
    x = 7,338,049,286.77/89,740.28
  6. Step 6: Final answer
    x = 81,769.85

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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.