Home / 83,958.12-115,864.02-46,231.56

Finding the Fourth Proportional to 83,958.12, 115,864.02 and 46,231.56

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Solution

The fourth proportional to 83,958.12, 115,864.02 and 46,231.56 is: 63,800.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,958.12 : 115,864.02 = 46,231.56 : x
  2. Step 2: Convert to fraction form
    83,958.12/115,864.02 = 46,231.56/x
  3. Step 3: Cross multiply
    83,958.12x = 115,864.02 × 46,231.56
  4. Step 4: Simplify right side
    83,958.12x = 5,356,574,392.47
  5. Step 5: Solve for x
    x = 5,356,574,392.47/83,958.12
  6. Step 6: Final answer
    x = 63,800.55

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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.