Home / 97,741.78-134,872.29-54,723.70

Finding the Fourth Proportional to 97,741.78, 134,872.29 and 54,723.70

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Solution

The fourth proportional to 97,741.78, 134,872.29 and 54,723.70 is: 75,512.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,741.78 : 134,872.29 = 54,723.70 : x
  2. Step 2: Convert to fraction form
    97,741.78/134,872.29 = 54,723.70/x
  3. Step 3: Cross multiply
    97,741.78x = 134,872.29 × 54,723.70
  4. Step 4: Simplify right side
    97,741.78x = 7,380,710,736.27
  5. Step 5: Solve for x
    x = 7,380,710,736.27/97,741.78
  6. Step 6: Final answer
    x = 75,512.34

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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.