Home / 89,967.30-135,033.24-45,624.66

Finding the Fourth Proportional to 89,967.30, 135,033.24 and 45,624.66

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Solution

The fourth proportional to 89,967.30, 135,033.24 and 45,624.66 is: 68,478.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,967.30 : 135,033.24 = 45,624.66 : x
  2. Step 2: Convert to fraction form
    89,967.30/135,033.24 = 45,624.66/x
  3. Step 3: Cross multiply
    89,967.30x = 135,033.24 × 45,624.66
  4. Step 4: Simplify right side
    89,967.30x = 6,160,845,663.70
  5. Step 5: Solve for x
    x = 6,160,845,663.70/89,967.30
  6. Step 6: Final answer
    x = 68,478.72

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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.