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Finding the Fourth Proportional to 79,679.60, 119,519.40 and 23,520.48

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Solution

The fourth proportional to 79,679.60, 119,519.40 and 23,520.48 is: 35,280.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,679.60 : 119,519.40 = 23,520.48 : x
  2. Step 2: Convert to fraction form
    79,679.60/119,519.40 = 23,520.48/x
  3. Step 3: Cross multiply
    79,679.60x = 119,519.40 × 23,520.48
  4. Step 4: Simplify right side
    79,679.60x = 2,811,153,657.31
  5. Step 5: Solve for x
    x = 2,811,153,657.31/79,679.60
  6. Step 6: Final answer
    x = 35,280.72

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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.