Home / 97,723.56-134,847.12-54,705.42

Finding the Fourth Proportional to 97,723.56, 134,847.12 and 54,705.42

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Solution

The fourth proportional to 97,723.56, 134,847.12 and 54,705.42 is: 75,487.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,723.56 : 134,847.12 = 54,705.42 : x
  2. Step 2: Convert to fraction form
    97,723.56/134,847.12 = 54,705.42/x
  3. Step 3: Cross multiply
    97,723.56x = 134,847.12 × 54,705.42
  4. Step 4: Simplify right side
    97,723.56x = 7,376,868,335.39
  5. Step 5: Solve for x
    x = 7,376,868,335.39/97,723.56
  6. Step 6: Final answer
    x = 75,487.10

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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.