Home / 89,377.12-123,325.68-51,649.12

Finding the Fourth Proportional to 89,377.12, 123,325.68 and 51,649.12

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Solution

The fourth proportional to 89,377.12, 123,325.68 and 51,649.12 is: 71,267.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,377.12 : 123,325.68 = 51,649.12 : x
  2. Step 2: Convert to fraction form
    89,377.12/123,325.68 = 51,649.12/x
  3. Step 3: Cross multiply
    89,377.12x = 123,325.68 × 51,649.12
  4. Step 4: Simplify right side
    89,377.12x = 6,369,662,845.40
  5. Step 5: Solve for x
    x = 6,369,662,845.40/89,377.12
  6. Step 6: Final answer
    x = 71,267.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.