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Finding the Fourth Proportional to 60,178.72, 90,279.36 and 26,900.10

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Solution

The fourth proportional to 60,178.72, 90,279.36 and 26,900.10 is: 40,355.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,178.72 : 90,279.36 = 26,900.10 : x
  2. Step 2: Convert to fraction form
    60,178.72/90,279.36 = 26,900.10/x
  3. Step 3: Cross multiply
    60,178.72x = 90,279.36 × 26,900.10
  4. Step 4: Simplify right side
    60,178.72x = 2,428,523,811.94
  5. Step 5: Solve for x
    x = 2,428,523,811.94/60,178.72
  6. Step 6: Final answer
    x = 40,355.19

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1.5x scale

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.