Home / 83,884.32-115,758.24-48,095.28

Finding the Fourth Proportional to 83,884.32, 115,758.24 and 48,095.28

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Solution

The fourth proportional to 83,884.32, 115,758.24 and 48,095.28 is: 66,370.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,884.32 : 115,758.24 = 48,095.28 : x
  2. Step 2: Convert to fraction form
    83,884.32/115,758.24 = 48,095.28/x
  3. Step 3: Cross multiply
    83,884.32x = 115,758.24 × 48,095.28
  4. Step 4: Simplify right side
    83,884.32x = 5,567,424,965.11
  5. Step 5: Solve for x
    x = 5,567,424,965.11/83,884.32
  6. Step 6: Final answer
    x = 66,370.27

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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.