Home / 91,474.75-126,218.55-52,706.53

Finding the Fourth Proportional to 91,474.75, 126,218.55 and 52,706.53

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Solution

The fourth proportional to 91,474.75, 126,218.55 and 52,706.53 is: 72,725.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,474.75 : 126,218.55 = 52,706.53 : x
  2. Step 2: Convert to fraction form
    91,474.75/126,218.55 = 52,706.53/x
  3. Step 3: Cross multiply
    91,474.75x = 126,218.55 × 52,706.53
  4. Step 4: Simplify right side
    91,474.75x = 6,652,542,147.55
  5. Step 5: Solve for x
    x = 6,652,542,147.55/91,474.75
  6. Step 6: Final answer
    x = 72,725.45

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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.