Home / 83,074.74-114,639.12-47,261.40

Finding the Fourth Proportional to 83,074.74, 114,639.12 and 47,261.40

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Solution

The fourth proportional to 83,074.74, 114,639.12 and 47,261.40 is: 65,218.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,074.74 : 114,639.12 = 47,261.40 : x
  2. Step 2: Convert to fraction form
    83,074.74/114,639.12 = 47,261.40/x
  3. Step 3: Cross multiply
    83,074.74x = 114,639.12 × 47,261.40
  4. Step 4: Simplify right side
    83,074.74x = 5,418,005,305.97
  5. Step 5: Solve for x
    x = 5,418,005,305.97/83,074.74
  6. Step 6: Final answer
    x = 65,218.44

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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.