Home / 97,213.84-134,155.68-54,773.20

Finding the Fourth Proportional to 97,213.84, 134,155.68 and 54,773.20

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Solution

The fourth proportional to 97,213.84, 134,155.68 and 54,773.20 is: 75,587.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,213.84 : 134,155.68 = 54,773.20 : x
  2. Step 2: Convert to fraction form
    97,213.84/134,155.68 = 54,773.20/x
  3. Step 3: Cross multiply
    97,213.84x = 134,155.68 × 54,773.20
  4. Step 4: Simplify right side
    97,213.84x = 7,348,135,891.78
  5. Step 5: Solve for x
    x = 7,348,135,891.78/97,213.84
  6. Step 6: Final answer
    x = 75,587.34

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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.