Home / 89,488.42-134,134.20-36,869.20

Finding the Fourth Proportional to 89,488.42, 134,134.20 and 36,869.20

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Solution

The fourth proportional to 89,488.42, 134,134.20 and 36,869.20 is: 55,263.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,488.42 : 134,134.20 = 36,869.20 : x
  2. Step 2: Convert to fraction form
    89,488.42/134,134.20 = 36,869.20/x
  3. Step 3: Cross multiply
    89,488.42x = 134,134.20 × 36,869.20
  4. Step 4: Simplify right side
    89,488.42x = 4,945,420,646.64
  5. Step 5: Solve for x
    x = 4,945,420,646.64/89,488.42
  6. Step 6: Final answer
    x = 55,263.25

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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.