Home / 91,149.35-125,766.02-52,886.73

Finding the Fourth Proportional to 91,149.35, 125,766.02 and 52,886.73

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Solution

The fourth proportional to 91,149.35, 125,766.02 and 52,886.73 is: 72,972.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,149.35 : 125,766.02 = 52,886.73 : x
  2. Step 2: Convert to fraction form
    91,149.35/125,766.02 = 52,886.73/x
  3. Step 3: Cross multiply
    91,149.35x = 125,766.02 × 52,886.73
  4. Step 4: Simplify right side
    91,149.35x = 6,651,353,675.13
  5. Step 5: Solve for x
    x = 6,651,353,675.13/91,149.35
  6. Step 6: Final answer
    x = 72,972.03

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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.