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Finding the Fourth Proportional to 80,126.94, 110,572.98 and 44,318.46

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Solution

The fourth proportional to 80,126.94, 110,572.98 and 44,318.46 is: 61,158.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,126.94 : 110,572.98 = 44,318.46 : x
  2. Step 2: Convert to fraction form
    80,126.94/110,572.98 = 44,318.46/x
  3. Step 3: Cross multiply
    80,126.94x = 110,572.98 × 44,318.46
  4. Step 4: Simplify right side
    80,126.94x = 4,900,424,191.21
  5. Step 5: Solve for x
    x = 4,900,424,191.21/80,126.94
  6. Step 6: Final answer
    x = 61,158.26

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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.