Home / 77,317.16-115,990.32-24,712.52

Finding the Fourth Proportional to 77,317.16, 115,990.32 and 24,712.52

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Solution

The fourth proportional to 77,317.16, 115,990.32 and 24,712.52 is: 37,073.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,317.16 : 115,990.32 = 24,712.52 : x
  2. Step 2: Convert to fraction form
    77,317.16/115,990.32 = 24,712.52/x
  3. Step 3: Cross multiply
    77,317.16x = 115,990.32 × 24,712.52
  4. Step 4: Simplify right side
    77,317.16x = 2,866,413,102.81
  5. Step 5: Solve for x
    x = 2,866,413,102.81/77,317.16
  6. Step 6: Final answer
    x = 37,073.44

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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.