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Finding the Fourth Proportional to 55,270.80, 82,906.20 and 44,117.10

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Solution

The fourth proportional to 55,270.80, 82,906.20 and 44,117.10 is: 66,175.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,270.80 : 82,906.20 = 44,117.10 : x
  2. Step 2: Convert to fraction form
    55,270.80/82,906.20 = 44,117.10/x
  3. Step 3: Cross multiply
    55,270.80x = 82,906.20 × 44,117.10
  4. Step 4: Simplify right side
    55,270.80x = 3,657,581,116.02
  5. Step 5: Solve for x
    x = 3,657,581,116.02/55,270.80
  6. Step 6: Final answer
    x = 66,175.65

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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.