Home / 83,570.40-115,320.28-45,844.66

Finding the Fourth Proportional to 83,570.40, 115,320.28 and 45,844.66

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Solution

The fourth proportional to 83,570.40, 115,320.28 and 45,844.66 is: 63,261.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,570.40 : 115,320.28 = 45,844.66 : x
  2. Step 2: Convert to fraction form
    83,570.40/115,320.28 = 45,844.66/x
  3. Step 3: Cross multiply
    83,570.40x = 115,320.28 × 45,844.66
  4. Step 4: Simplify right side
    83,570.40x = 5,286,819,027.70
  5. Step 5: Solve for x
    x = 5,286,819,027.70/83,570.40
  6. Step 6: Final answer
    x = 63,261.86

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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.