Home / 91,306.96-126,016.12-52,543.98

Finding the Fourth Proportional to 91,306.96, 126,016.12 and 52,543.98

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Solution

The fourth proportional to 91,306.96, 126,016.12 and 52,543.98 is: 72,517.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,306.96 : 126,016.12 = 52,543.98 : x
  2. Step 2: Convert to fraction form
    91,306.96/126,016.12 = 52,543.98/x
  3. Step 3: Cross multiply
    91,306.96x = 126,016.12 × 52,543.98
  4. Step 4: Simplify right side
    91,306.96x = 6,621,388,541.28
  5. Step 5: Solve for x
    x = 6,621,388,541.28/91,306.96
  6. Step 6: Final answer
    x = 72,517.90

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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.