Home / 77,326.56-115,987.68-24,739.20

Finding the Fourth Proportional to 77,326.56, 115,987.68 and 24,739.20

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Solution

The fourth proportional to 77,326.56, 115,987.68 and 24,739.20 is: 37,108.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,326.56 : 115,987.68 = 24,739.20 : x
  2. Step 2: Convert to fraction form
    77,326.56/115,987.68 = 24,739.20/x
  3. Step 3: Cross multiply
    77,326.56x = 115,987.68 × 24,739.20
  4. Step 4: Simplify right side
    77,326.56x = 2,869,442,413.06
  5. Step 5: Solve for x
    x = 2,869,442,413.06/77,326.56
  6. Step 6: Final answer
    x = 37,108.11

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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.