Home / 83,579.93-115,336.55-45,853.37

Finding the Fourth Proportional to 83,579.93, 115,336.55 and 45,853.37

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Solution

The fourth proportional to 83,579.93, 115,336.55 and 45,853.37 is: 63,275.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,579.93 : 115,336.55 = 45,853.37 : x
  2. Step 2: Convert to fraction form
    83,579.93/115,336.55 = 45,853.37/x
  3. Step 3: Cross multiply
    83,579.93x = 115,336.55 × 45,853.37
  4. Step 4: Simplify right side
    83,579.93x = 5,288,569,272.41
  5. Step 5: Solve for x
    x = 5,288,569,272.41/83,579.93
  6. Step 6: Final answer
    x = 63,275.59

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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.