Home / 108,719.76-163,074.24-29,834.40

Finding the Fourth Proportional to 108,719.76, 163,074.24 and 29,834.40

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Solution

The fourth proportional to 108,719.76, 163,074.24 and 29,834.40 is: 44,750.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,719.76 : 163,074.24 = 29,834.40 : x
  2. Step 2: Convert to fraction form
    108,719.76/163,074.24 = 29,834.40/x
  3. Step 3: Cross multiply
    108,719.76x = 163,074.24 × 29,834.40
  4. Step 4: Simplify right side
    108,719.76x = 4,865,222,105.86
  5. Step 5: Solve for x
    x = 4,865,222,105.86/108,719.76
  6. Step 6: Final answer
    x = 44,750.12

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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.