Home / 91,726.52-126,528.97-57,681.10

Finding the Fourth Proportional to 91,726.52, 126,528.97 and 57,681.10

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Solution

The fourth proportional to 91,726.52, 126,528.97 and 57,681.10 is: 79,566.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,726.52 : 126,528.97 = 57,681.10 : x
  2. Step 2: Convert to fraction form
    91,726.52/126,528.97 = 57,681.10/x
  3. Step 3: Cross multiply
    91,726.52x = 126,528.97 × 57,681.10
  4. Step 4: Simplify right side
    91,726.52x = 7,298,330,171.47
  5. Step 5: Solve for x
    x = 7,298,330,171.47/91,726.52
  6. Step 6: Final answer
    x = 79,566.19

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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.