Home / 95,123.20-131,307.04-54,871.48

Finding the Fourth Proportional to 95,123.20, 131,307.04 and 54,871.48

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Solution

The fourth proportional to 95,123.20, 131,307.04 and 54,871.48 is: 75,744.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,123.20 : 131,307.04 = 54,871.48 : x
  2. Step 2: Convert to fraction form
    95,123.20/131,307.04 = 54,871.48/x
  3. Step 3: Cross multiply
    95,123.20x = 131,307.04 × 54,871.48
  4. Step 4: Simplify right side
    95,123.20x = 7,205,011,619.22
  5. Step 5: Solve for x
    x = 7,205,011,619.22/95,123.20
  6. Step 6: Final answer
    x = 75,744.00

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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.