Home / 91,722.96-126,524.06-57,677.55

Finding the Fourth Proportional to 91,722.96, 126,524.06 and 57,677.55

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Solution

The fourth proportional to 91,722.96, 126,524.06 and 57,677.55 is: 79,561.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,722.96 : 126,524.06 = 57,677.55 : x
  2. Step 2: Convert to fraction form
    91,722.96/126,524.06 = 57,677.55/x
  3. Step 3: Cross multiply
    91,722.96x = 126,524.06 × 57,677.55
  4. Step 4: Simplify right side
    91,722.96x = 7,297,597,508.47
  5. Step 5: Solve for x
    x = 7,297,597,508.47/91,722.96
  6. Step 6: Final answer
    x = 79,561.30

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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.