Home / 90,682.66-125,010.18-63,373.96

Finding the Fourth Proportional to 90,682.66, 125,010.18 and 63,373.96

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Solution

The fourth proportional to 90,682.66, 125,010.18 and 63,373.96 is: 87,363.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,682.66 : 125,010.18 = 63,373.96 : x
  2. Step 2: Convert to fraction form
    90,682.66/125,010.18 = 63,373.96/x
  3. Step 3: Cross multiply
    90,682.66x = 125,010.18 × 63,373.96
  4. Step 4: Simplify right side
    90,682.66x = 7,922,390,146.91
  5. Step 5: Solve for x
    x = 7,922,390,146.91/90,682.66
  6. Step 6: Final answer
    x = 87,363.89

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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.