Home / 91,468.43-126,207.50-62,777.55

Finding the Fourth Proportional to 91,468.43, 126,207.50 and 62,777.55

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Solution

The fourth proportional to 91,468.43, 126,207.50 and 62,777.55 is: 86,620.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,468.43 : 126,207.50 = 62,777.55 : x
  2. Step 2: Convert to fraction form
    91,468.43/126,207.50 = 62,777.55/x
  3. Step 3: Cross multiply
    91,468.43x = 126,207.50 × 62,777.55
  4. Step 4: Simplify right side
    91,468.43x = 7,922,997,578.02
  5. Step 5: Solve for x
    x = 7,922,997,578.02/91,468.43
  6. Step 6: Final answer
    x = 86,620.03

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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.