Home / 78,510.08-108,344.96-44,976

Finding the Fourth Proportional to 78,510.08, 108,344.96 and 44,976

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Solution

The fourth proportional to 78,510.08, 108,344.96 and 44,976 is: 62,067.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,510.08 : 108,344.96 = 44,976 : x
  2. Step 2: Convert to fraction form
    78,510.08/108,344.96 = 44,976/x
  3. Step 3: Cross multiply
    78,510.08x = 108,344.96 × 44,976
  4. Step 4: Simplify right side
    78,510.08x = 4,872,922,920.96
  5. Step 5: Solve for x
    x = 4,872,922,920.96/78,510.08
  6. Step 6: Final answer
    x = 62,067.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.