Home / 83,135.92-114,645.63-51,298.06

Finding the Fourth Proportional to 83,135.92, 114,645.63 and 51,298.06

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Solution

The fourth proportional to 83,135.92, 114,645.63 and 51,298.06 is: 70,740.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,135.92 : 114,645.63 = 51,298.06 : x
  2. Step 2: Convert to fraction form
    83,135.92/114,645.63 = 51,298.06/x
  3. Step 3: Cross multiply
    83,135.92x = 114,645.63 × 51,298.06
  4. Step 4: Simplify right side
    83,135.92x = 5,881,098,406.48
  5. Step 5: Solve for x
    x = 5,881,098,406.48/83,135.92
  6. Step 6: Final answer
    x = 70,740.76

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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.