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Finding the Fourth Proportional to 71,146.76, 98,165.62 and 44,274.90

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Solution

The fourth proportional to 71,146.76, 98,165.62 and 44,274.90 is: 61,088.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,146.76 : 98,165.62 = 44,274.90 : x
  2. Step 2: Convert to fraction form
    71,146.76/98,165.62 = 44,274.90/x
  3. Step 3: Cross multiply
    71,146.76x = 98,165.62 × 44,274.90
  4. Step 4: Simplify right side
    71,146.76x = 4,346,273,432.40
  5. Step 5: Solve for x
    x = 4,346,273,432.40/71,146.76
  6. Step 6: Final answer
    x = 61,088.85

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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.