Home / 89,972.11-124,176.68-52,268.23

Finding the Fourth Proportional to 89,972.11, 124,176.68 and 52,268.23

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Solution

The fourth proportional to 89,972.11, 124,176.68 and 52,268.23 is: 72,138.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,972.11 : 124,176.68 = 52,268.23 : x
  2. Step 2: Convert to fraction form
    89,972.11/124,176.68 = 52,268.23/x
  3. Step 3: Cross multiply
    89,972.11x = 124,176.68 × 52,268.23
  4. Step 4: Simplify right side
    89,972.11x = 6,490,495,270.88
  5. Step 5: Solve for x
    x = 6,490,495,270.88/89,972.11
  6. Step 6: Final answer
    x = 72,138.97

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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.