Home / 89,570.27-134,387.71-45,163.58

Finding the Fourth Proportional to 89,570.27, 134,387.71 and 45,163.58

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Solution

The fourth proportional to 89,570.27, 134,387.71 and 45,163.58 is: 67,761.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,570.27 : 134,387.71 = 45,163.58 : x
  2. Step 2: Convert to fraction form
    89,570.27/134,387.71 = 45,163.58/x
  3. Step 3: Cross multiply
    89,570.27x = 134,387.71 × 45,163.58
  4. Step 4: Simplify right side
    89,570.27x = 6,069,429,306.75
  5. Step 5: Solve for x
    x = 6,069,429,306.75/89,570.27
  6. Step 6: Final answer
    x = 67,761.65

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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.