Home / 91,530.61-126,306.14-51,237.56

Finding the Fourth Proportional to 91,530.61, 126,306.14 and 51,237.56

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Solution

The fourth proportional to 91,530.61, 126,306.14 and 51,237.56 is: 70,704.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,530.61 : 126,306.14 = 51,237.56 : x
  2. Step 2: Convert to fraction form
    91,530.61/126,306.14 = 51,237.56/x
  3. Step 3: Cross multiply
    91,530.61x = 126,306.14 × 51,237.56
  4. Step 4: Simplify right side
    91,530.61x = 6,471,618,486.20
  5. Step 5: Solve for x
    x = 6,471,618,486.20/91,530.61
  6. Step 6: Final answer
    x = 70,704.42

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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.