Home / 91,962.06-126,909.84-51,673.44

Finding the Fourth Proportional to 91,962.06, 126,909.84 and 51,673.44

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Solution

The fourth proportional to 91,962.06, 126,909.84 and 51,673.44 is: 71,310.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,962.06 : 126,909.84 = 51,673.44 : x
  2. Step 2: Convert to fraction form
    91,962.06/126,909.84 = 51,673.44/x
  3. Step 3: Cross multiply
    91,962.06x = 126,909.84 × 51,673.44
  4. Step 4: Simplify right side
    91,962.06x = 6,557,868,002.65
  5. Step 5: Solve for x
    x = 6,557,868,002.65/91,962.06
  6. Step 6: Final answer
    x = 71,310.58

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1.5x scale

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.