Home / 88,229.52-121,757.31-47,943.63

Finding the Fourth Proportional to 88,229.52, 121,757.31 and 47,943.63

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Solution

The fourth proportional to 88,229.52, 121,757.31 and 47,943.63 is: 66,162.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,229.52 : 121,757.31 = 47,943.63 : x
  2. Step 2: Convert to fraction form
    88,229.52/121,757.31 = 47,943.63/x
  3. Step 3: Cross multiply
    88,229.52x = 121,757.31 × 47,943.63
  4. Step 4: Simplify right side
    88,229.52x = 5,837,487,420.44
  5. Step 5: Solve for x
    x = 5,837,487,420.44/88,229.52
  6. Step 6: Final answer
    x = 66,162.52

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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.