Home / 83,159.18-114,759.75-45,433.43

Finding the Fourth Proportional to 83,159.18, 114,759.75 and 45,433.43

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Solution

The fourth proportional to 83,159.18, 114,759.75 and 45,433.43 is: 62,698.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,159.18 : 114,759.75 = 45,433.43 : x
  2. Step 2: Convert to fraction form
    83,159.18/114,759.75 = 45,433.43/x
  3. Step 3: Cross multiply
    83,159.18x = 114,759.75 × 45,433.43
  4. Step 4: Simplify right side
    83,159.18x = 5,213,929,068.44
  5. Step 5: Solve for x
    x = 5,213,929,068.44/83,159.18
  6. Step 6: Final answer
    x = 62,698.18

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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.