Home / 91,500.46-126,233.04-55,684.60

Finding the Fourth Proportional to 91,500.46, 126,233.04 and 55,684.60

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Solution

The fourth proportional to 91,500.46, 126,233.04 and 55,684.60 is: 76,821.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,500.46 : 126,233.04 = 55,684.60 : x
  2. Step 2: Convert to fraction form
    91,500.46/126,233.04 = 55,684.60/x
  3. Step 3: Cross multiply
    91,500.46x = 126,233.04 × 55,684.60
  4. Step 4: Simplify right side
    91,500.46x = 7,029,236,339.18
  5. Step 5: Solve for x
    x = 7,029,236,339.18/91,500.46
  6. Step 6: Final answer
    x = 76,821.87

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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.