Home / 83,216.06-114,832.16-51,385.50

Finding the Fourth Proportional to 83,216.06, 114,832.16 and 51,385.50

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Solution

The fourth proportional to 83,216.06, 114,832.16 and 51,385.50 is: 70,908.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,216.06 : 114,832.16 = 51,385.50 : x
  2. Step 2: Convert to fraction form
    83,216.06/114,832.16 = 51,385.50/x
  3. Step 3: Cross multiply
    83,216.06x = 114,832.16 × 51,385.50
  4. Step 4: Simplify right side
    83,216.06x = 5,900,707,957.68
  5. Step 5: Solve for x
    x = 5,900,707,957.68/83,216.06
  6. Step 6: Final answer
    x = 70,908.28

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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.