Home / 91,264.38-125,897.67-57,749.82

Finding the Fourth Proportional to 91,264.38, 125,897.67 and 57,749.82

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Solution

The fourth proportional to 91,264.38, 125,897.67 and 57,749.82 is: 79,664.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,264.38 : 125,897.67 = 57,749.82 : x
  2. Step 2: Convert to fraction form
    91,264.38/125,897.67 = 57,749.82/x
  3. Step 3: Cross multiply
    91,264.38x = 125,897.67 × 57,749.82
  4. Step 4: Simplify right side
    91,264.38x = 7,270,567,780.92
  5. Step 5: Solve for x
    x = 7,270,567,780.92/91,264.38
  6. Step 6: Final answer
    x = 79,664.90

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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.