Home / 91,092.06-136,649.61-35,680.86

Finding the Fourth Proportional to 91,092.06, 136,649.61 and 35,680.86

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Solution

The fourth proportional to 91,092.06, 136,649.61 and 35,680.86 is: 53,525.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,092.06 : 136,649.61 = 35,680.86 : x
  2. Step 2: Convert to fraction form
    91,092.06/136,649.61 = 35,680.86/x
  3. Step 3: Cross multiply
    91,092.06x = 136,649.61 × 35,680.86
  4. Step 4: Simplify right side
    91,092.06x = 4,875,775,603.46
  5. Step 5: Solve for x
    x = 4,875,775,603.46/91,092.06
  6. Step 6: Final answer
    x = 53,525.80

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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.