Home / 91,071.38-136,574.26-38,484.97

Finding the Fourth Proportional to 91,071.38, 136,574.26 and 38,484.97

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Solution

The fourth proportional to 91,071.38, 136,574.26 and 38,484.97 is: 57,713.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,071.38 : 136,574.26 = 38,484.97 : x
  2. Step 2: Convert to fraction form
    91,071.38/136,574.26 = 38,484.97/x
  3. Step 3: Cross multiply
    91,071.38x = 136,574.26 × 38,484.97
  4. Step 4: Simplify right side
    91,071.38x = 5,256,056,298.87
  5. Step 5: Solve for x
    x = 5,256,056,298.87/91,071.38
  6. Step 6: Final answer
    x = 57,713.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.