Home / 89,656.92-134,503.08-26,478.12

Finding the Fourth Proportional to 89,656.92, 134,503.08 and 26,478.12

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Solution

The fourth proportional to 89,656.92, 134,503.08 and 26,478.12 is: 39,722.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,656.92 : 134,503.08 = 26,478.12 : x
  2. Step 2: Convert to fraction form
    89,656.92/134,503.08 = 26,478.12/x
  3. Step 3: Cross multiply
    89,656.92x = 134,503.08 × 26,478.12
  4. Step 4: Simplify right side
    89,656.92x = 3,561,388,692.61
  5. Step 5: Solve for x
    x = 3,561,388,692.61/89,656.92
  6. Step 6: Final answer
    x = 39,722.41

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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.