Home / 115,424.52-173,146.65-40,538.15

Finding the Fourth Proportional to 115,424.52, 173,146.65 and 40,538.15

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Solution

The fourth proportional to 115,424.52, 173,146.65 and 40,538.15 is: 60,810.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,424.52 : 173,146.65 = 40,538.15 : x
  2. Step 2: Convert to fraction form
    115,424.52/173,146.65 = 40,538.15/x
  3. Step 3: Cross multiply
    115,424.52x = 173,146.65 × 40,538.15
  4. Step 4: Simplify right side
    115,424.52x = 7,019,044,003.96
  5. Step 5: Solve for x
    x = 7,019,044,003.96/115,424.52
  6. Step 6: Final answer
    x = 60,810.68

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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.