Home / 89,622.47-134,516.79-45,280.46

Finding the Fourth Proportional to 89,622.47, 134,516.79 and 45,280.46

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Solution

The fourth proportional to 89,622.47, 134,516.79 and 45,280.46 is: 67,962.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,622.47 : 134,516.79 = 45,280.46 : x
  2. Step 2: Convert to fraction form
    89,622.47/134,516.79 = 45,280.46/x
  3. Step 3: Cross multiply
    89,622.47x = 134,516.79 × 45,280.46
  4. Step 4: Simplify right side
    89,622.47x = 6,090,981,456.34
  5. Step 5: Solve for x
    x = 6,090,981,456.34/89,622.47
  6. Step 6: Final answer
    x = 67,962.66

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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.