Home / 73,285.32-109,854.27-28,943.49

Finding the Fourth Proportional to 73,285.32, 109,854.27 and 28,943.49

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Solution

The fourth proportional to 73,285.32, 109,854.27 and 28,943.49 is: 43,386.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,285.32 : 109,854.27 = 28,943.49 : x
  2. Step 2: Convert to fraction form
    73,285.32/109,854.27 = 28,943.49/x
  3. Step 3: Cross multiply
    73,285.32x = 109,854.27 × 28,943.49
  4. Step 4: Simplify right side
    73,285.32x = 3,179,565,965.20
  5. Step 5: Solve for x
    x = 3,179,565,965.20/73,285.32
  6. Step 6: Final answer
    x = 43,386.12

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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.