Home / 51,543.98-71,273.85-40,915.16

Finding the Fourth Proportional to 51,543.98, 71,273.85 and 40,915.16

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Solution

The fourth proportional to 51,543.98, 71,273.85 and 40,915.16 is: 56,576.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,543.98 : 71,273.85 = 40,915.16 : x
  2. Step 2: Convert to fraction form
    51,543.98/71,273.85 = 40,915.16/x
  3. Step 3: Cross multiply
    51,543.98x = 71,273.85 × 40,915.16
  4. Step 4: Simplify right side
    51,543.98x = 2,916,180,976.57
  5. Step 5: Solve for x
    x = 2,916,180,976.57/51,543.98
  6. Step 6: Final answer
    x = 56,576.56

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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.