Home / 91,557.15-126,334.26-51,272.61

Finding the Fourth Proportional to 91,557.15, 126,334.26 and 51,272.61

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Solution

The fourth proportional to 91,557.15, 126,334.26 and 51,272.61 is: 70,748.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,557.15 : 126,334.26 = 51,272.61 : x
  2. Step 2: Convert to fraction form
    91,557.15/126,334.26 = 51,272.61/x
  3. Step 3: Cross multiply
    91,557.15x = 126,334.26 × 51,272.61
  4. Step 4: Simplify right side
    91,557.15x = 6,477,487,242.62
  5. Step 5: Solve for x
    x = 6,477,487,242.62/91,557.15
  6. Step 6: Final answer
    x = 70,748.02

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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.