Home / 92,481.55-127,617.19-56,666.66

Finding the Fourth Proportional to 92,481.55, 127,617.19 and 56,666.66

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Solution

The fourth proportional to 92,481.55, 127,617.19 and 56,666.66 is: 78,195.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,481.55 : 127,617.19 = 56,666.66 : x
  2. Step 2: Convert to fraction form
    92,481.55/127,617.19 = 56,666.66/x
  3. Step 3: Cross multiply
    92,481.55x = 127,617.19 × 56,666.66
  4. Step 4: Simplify right side
    92,481.55x = 7,231,639,136.13
  5. Step 5: Solve for x
    x = 7,231,639,136.13/92,481.55
  6. Step 6: Final answer
    x = 78,195.48

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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.