Home / 83,895.28-115,772.64-46,169.44

Finding the Fourth Proportional to 83,895.28, 115,772.64 and 46,169.44

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Solution

The fourth proportional to 83,895.28, 115,772.64 and 46,169.44 is: 63,712.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,895.28 : 115,772.64 = 46,169.44 : x
  2. Step 2: Convert to fraction form
    83,895.28/115,772.64 = 46,169.44/x
  3. Step 3: Cross multiply
    83,895.28x = 115,772.64 × 46,169.44
  4. Step 4: Simplify right side
    83,895.28x = 5,345,157,956.12
  5. Step 5: Solve for x
    x = 5,345,157,956.12/83,895.28
  6. Step 6: Final answer
    x = 63,712.26

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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.