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Finding the Fourth Proportional to 73,531.60, 110,431.05 and 44,007.10

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Solution

The fourth proportional to 73,531.60, 110,431.05 and 44,007.10 is: 66,090.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,531.60 : 110,431.05 = 44,007.10 : x
  2. Step 2: Convert to fraction form
    73,531.60/110,431.05 = 44,007.10/x
  3. Step 3: Cross multiply
    73,531.60x = 110,431.05 × 44,007.10
  4. Step 4: Simplify right side
    73,531.60x = 4,859,750,260.46
  5. Step 5: Solve for x
    x = 4,859,750,260.46/73,531.60
  6. Step 6: Final answer
    x = 66,090.64

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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.