Home / 63,200.97-87,146.51-51,680.07

Finding the Fourth Proportional to 63,200.97, 87,146.51 and 51,680.07

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Solution

The fourth proportional to 63,200.97, 87,146.51 and 51,680.07 is: 71,260.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,200.97 : 87,146.51 = 51,680.07 : x
  2. Step 2: Convert to fraction form
    63,200.97/87,146.51 = 51,680.07/x
  3. Step 3: Cross multiply
    63,200.97x = 87,146.51 × 51,680.07
  4. Step 4: Simplify right side
    63,200.97x = 4,503,737,478.66
  5. Step 5: Solve for x
    x = 4,503,737,478.66/63,200.97
  6. Step 6: Final answer
    x = 71,260.58

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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.