Home / 91,417.44-126,162.52-51,134.96

Finding the Fourth Proportional to 91,417.44, 126,162.52 and 51,134.96

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Solution

The fourth proportional to 91,417.44, 126,162.52 and 51,134.96 is: 70,569.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,417.44 : 126,162.52 = 51,134.96 : x
  2. Step 2: Convert to fraction form
    91,417.44/126,162.52 = 51,134.96/x
  3. Step 3: Cross multiply
    91,417.44x = 126,162.52 × 51,134.96
  4. Step 4: Simplify right side
    91,417.44x = 6,451,315,413.70
  5. Step 5: Solve for x
    x = 6,451,315,413.70/91,417.44
  6. Step 6: Final answer
    x = 70,569.85

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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.