Home / 91,662.15-126,492.63-51,375.86

Finding the Fourth Proportional to 91,662.15, 126,492.63 and 51,375.86

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Solution

The fourth proportional to 91,662.15, 126,492.63 and 51,375.86 is: 70,898.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,662.15 : 126,492.63 = 51,375.86 : x
  2. Step 2: Convert to fraction form
    91,662.15/126,492.63 = 51,375.86/x
  3. Step 3: Cross multiply
    91,662.15x = 126,492.63 × 51,375.86
  4. Step 4: Simplify right side
    91,662.15x = 6,498,667,649.91
  5. Step 5: Solve for x
    x = 6,498,667,649.91/91,662.15
  6. Step 6: Final answer
    x = 70,898.05

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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.