Home / 91,329.66-126,034.14-51,042.96

Finding the Fourth Proportional to 91,329.66, 126,034.14 and 51,042.96

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Solution

The fourth proportional to 91,329.66, 126,034.14 and 51,042.96 is: 70,438.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,329.66 : 126,034.14 = 51,042.96 : x
  2. Step 2: Convert to fraction form
    91,329.66/126,034.14 = 51,042.96/x
  3. Step 3: Cross multiply
    91,329.66x = 126,034.14 × 51,042.96
  4. Step 4: Simplify right side
    91,329.66x = 6,433,155,566.65
  5. Step 5: Solve for x
    x = 6,433,155,566.65/91,329.66
  6. Step 6: Final answer
    x = 70,438.84

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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.