Home / 83,178.52-114,799.32-52,976.86

Finding the Fourth Proportional to 83,178.52, 114,799.32 and 52,976.86

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Solution

The fourth proportional to 83,178.52, 114,799.32 and 52,976.86 is: 73,116.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,178.52 : 114,799.32 = 52,976.86 : x
  2. Step 2: Convert to fraction form
    83,178.52/114,799.32 = 52,976.86/x
  3. Step 3: Cross multiply
    83,178.52x = 114,799.32 × 52,976.86
  4. Step 4: Simplify right side
    83,178.52x = 6,081,707,503.74
  5. Step 5: Solve for x
    x = 6,081,707,503.74/83,178.52
  6. Step 6: Final answer
    x = 73,116.32

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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.