Home / 91,584.18-126,092.43-71,415.18

Finding the Fourth Proportional to 91,584.18, 126,092.43 and 71,415.18

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Solution

The fourth proportional to 91,584.18, 126,092.43 and 71,415.18 is: 98,323.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,584.18 : 126,092.43 = 71,415.18 : x
  2. Step 2: Convert to fraction form
    91,584.18/126,092.43 = 71,415.18/x
  3. Step 3: Cross multiply
    91,584.18x = 126,092.43 × 71,415.18
  4. Step 4: Simplify right side
    91,584.18x = 9,004,913,585.09
  5. Step 5: Solve for x
    x = 9,004,913,585.09/91,584.18
  6. Step 6: Final answer
    x = 98,323.90

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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.