Home / 108,445.32-149,654.39-60,707.84

Finding the Fourth Proportional to 108,445.32, 149,654.39 and 60,707.84

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Solution

The fourth proportional to 108,445.32, 149,654.39 and 60,707.84 is: 83,776.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,445.32 : 149,654.39 = 60,707.84 : x
  2. Step 2: Convert to fraction form
    108,445.32/149,654.39 = 60,707.84/x
  3. Step 3: Cross multiply
    108,445.32x = 149,654.39 × 60,707.84
  4. Step 4: Simplify right side
    108,445.32x = 9,085,193,711.61
  5. Step 5: Solve for x
    x = 9,085,193,711.61/108,445.32
  6. Step 6: Final answer
    x = 83,776.72

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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.