Home / 91,780.02-126,654.33-51,492.85

Finding the Fourth Proportional to 91,780.02, 126,654.33 and 51,492.85

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Solution

The fourth proportional to 91,780.02, 126,654.33 and 51,492.85 is: 71,058.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,780.02 : 126,654.33 = 51,492.85 : x
  2. Step 2: Convert to fraction form
    91,780.02/126,654.33 = 51,492.85/x
  3. Step 3: Cross multiply
    91,780.02x = 126,654.33 × 51,492.85
  4. Step 4: Simplify right side
    91,780.02x = 6,521,792,293.00
  5. Step 5: Solve for x
    x = 6,521,792,293.00/91,780.02
  6. Step 6: Final answer
    x = 71,058.95

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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.