Home / 83,955.24-115,853.76-48,143.52

Finding the Fourth Proportional to 83,955.24, 115,853.76 and 48,143.52

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Solution

The fourth proportional to 83,955.24, 115,853.76 and 48,143.52 is: 66,435.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,955.24 : 115,853.76 = 48,143.52 : x
  2. Step 2: Convert to fraction form
    83,955.24/115,853.76 = 48,143.52/x
  3. Step 3: Cross multiply
    83,955.24x = 115,853.76 × 48,143.52
  4. Step 4: Simplify right side
    83,955.24x = 5,577,607,811.64
  5. Step 5: Solve for x
    x = 5,577,607,811.64/83,955.24
  6. Step 6: Final answer
    x = 66,435.49

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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.