Home / 91,771.00-126,645.19-55,467.47

Finding the Fourth Proportional to 91,771.00, 126,645.19 and 55,467.47

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Solution

The fourth proportional to 91,771.00, 126,645.19 and 55,467.47 is: 76,545.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,771.00 : 126,645.19 = 55,467.47 : x
  2. Step 2: Convert to fraction form
    91,771.00/126,645.19 = 55,467.47/x
  3. Step 3: Cross multiply
    91,771.00x = 126,645.19 × 55,467.47
  4. Step 4: Simplify right side
    91,771.00x = 7,024,688,454.91
  5. Step 5: Solve for x
    x = 7,024,688,454.91/91,771.00
  6. Step 6: Final answer
    x = 76,545.84

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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.