Home / 91,723.06-137,561.50-35,543.90

Finding the Fourth Proportional to 91,723.06, 137,561.50 and 35,543.90

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Solution

The fourth proportional to 91,723.06, 137,561.50 and 35,543.90 is: 53,306.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,723.06 : 137,561.50 = 35,543.90 : x
  2. Step 2: Convert to fraction form
    91,723.06/137,561.50 = 35,543.90/x
  3. Step 3: Cross multiply
    91,723.06x = 137,561.50 × 35,543.90
  4. Step 4: Simplify right side
    91,723.06x = 4,889,472,199.85
  5. Step 5: Solve for x
    x = 4,889,472,199.85/91,723.06
  6. Step 6: Final answer
    x = 53,306.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.