Home / 91,864.14-126,773.55-51,579.06

Finding the Fourth Proportional to 91,864.14, 126,773.55 and 51,579.06

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Solution

The fourth proportional to 91,864.14, 126,773.55 and 51,579.06 is: 71,179.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,864.14 : 126,773.55 = 51,579.06 : x
  2. Step 2: Convert to fraction form
    91,864.14/126,773.55 = 51,579.06/x
  3. Step 3: Cross multiply
    91,864.14x = 126,773.55 × 51,579.06
  4. Step 4: Simplify right side
    91,864.14x = 6,538,860,541.86
  5. Step 5: Solve for x
    x = 6,538,860,541.86/91,864.14
  6. Step 6: Final answer
    x = 71,179.68

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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.