Home / 89,561.40-134,378.46-57,576.24

Finding the Fourth Proportional to 89,561.40, 134,378.46 and 57,576.24

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Solution

The fourth proportional to 89,561.40, 134,378.46 and 57,576.24 is: 86,387.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,561.40 : 134,378.46 = 57,576.24 : x
  2. Step 2: Convert to fraction form
    89,561.40/134,378.46 = 57,576.24/x
  3. Step 3: Cross multiply
    89,561.40x = 134,378.46 × 57,576.24
  4. Step 4: Simplify right side
    89,561.40x = 7,737,006,463.79
  5. Step 5: Solve for x
    x = 7,737,006,463.79/89,561.40
  6. Step 6: Final answer
    x = 86,387.73

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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.