Home / 75,310.60-112,966.70-22,720.54

Finding the Fourth Proportional to 75,310.60, 112,966.70 and 22,720.54

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Solution

The fourth proportional to 75,310.60, 112,966.70 and 22,720.54 is: 34,081.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,310.60 : 112,966.70 = 22,720.54 : x
  2. Step 2: Convert to fraction form
    75,310.60/112,966.70 = 22,720.54/x
  3. Step 3: Cross multiply
    75,310.60x = 112,966.70 × 22,720.54
  4. Step 4: Simplify right side
    75,310.60x = 2,566,664,426.02
  5. Step 5: Solve for x
    x = 2,566,664,426.02/75,310.60
  6. Step 6: Final answer
    x = 34,081.05

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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.