Home / 115,587.87-173,431.89-40,761.48

Finding the Fourth Proportional to 115,587.87, 173,431.89 and 40,761.48

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Solution

The fourth proportional to 115,587.87, 173,431.89 and 40,761.48 is: 61,159.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,587.87 : 173,431.89 = 40,761.48 : x
  2. Step 2: Convert to fraction form
    115,587.87/173,431.89 = 40,761.48/x
  3. Step 3: Cross multiply
    115,587.87x = 173,431.89 × 40,761.48
  4. Step 4: Simplify right side
    115,587.87x = 7,069,340,515.60
  5. Step 5: Solve for x
    x = 7,069,340,515.60/115,587.87
  6. Step 6: Final answer
    x = 61,159.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.