Home / 115,587.37-173,431.14-40,760.97

Finding the Fourth Proportional to 115,587.37, 173,431.14 and 40,760.97

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Solution

The fourth proportional to 115,587.37, 173,431.14 and 40,760.97 is: 61,159.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,587.37 : 173,431.14 = 40,760.97 : x
  2. Step 2: Convert to fraction form
    115,587.37/173,431.14 = 40,760.97/x
  3. Step 3: Cross multiply
    115,587.37x = 173,431.14 × 40,760.97
  4. Step 4: Simplify right side
    115,587.37x = 7,069,221,494.61
  5. Step 5: Solve for x
    x = 7,069,221,494.61/115,587.37
  6. Step 6: Final answer
    x = 61,159.12

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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.