Home / 83,394.64-125,036.16-45,972.64

Finding the Fourth Proportional to 83,394.64, 125,036.16 and 45,972.64

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Solution

The fourth proportional to 83,394.64, 125,036.16 and 45,972.64 is: 68,928.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,394.64 : 125,036.16 = 45,972.64 : x
  2. Step 2: Convert to fraction form
    83,394.64/125,036.16 = 45,972.64/x
  3. Step 3: Cross multiply
    83,394.64x = 125,036.16 × 45,972.64
  4. Step 4: Simplify right side
    83,394.64x = 5,748,242,370.66
  5. Step 5: Solve for x
    x = 5,748,242,370.66/83,394.64
  6. Step 6: Final answer
    x = 68,928.20

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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.