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Finding the Fourth Proportional to 80,548.70, 111,158.58 and 44,251.68

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Solution

The fourth proportional to 80,548.70, 111,158.58 and 44,251.68 is: 61,068.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,548.70 : 111,158.58 = 44,251.68 : x
  2. Step 2: Convert to fraction form
    80,548.70/111,158.58 = 44,251.68/x
  3. Step 3: Cross multiply
    80,548.70x = 111,158.58 × 44,251.68
  4. Step 4: Simplify right side
    80,548.70x = 4,918,953,911.41
  5. Step 5: Solve for x
    x = 4,918,953,911.41/80,548.70
  6. Step 6: Final answer
    x = 61,068.07

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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.