Home / 83,585.25-115,346.70-45,859.50

Finding the Fourth Proportional to 83,585.25, 115,346.70 and 45,859.50

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Solution

The fourth proportional to 83,585.25, 115,346.70 and 45,859.50 is: 63,285.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,585.25 : 115,346.70 = 45,859.50 : x
  2. Step 2: Convert to fraction form
    83,585.25/115,346.70 = 45,859.50/x
  3. Step 3: Cross multiply
    83,585.25x = 115,346.70 × 45,859.50
  4. Step 4: Simplify right side
    83,585.25x = 5,289,741,988.65
  5. Step 5: Solve for x
    x = 5,289,741,988.65/83,585.25
  6. Step 6: Final answer
    x = 63,285.59

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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.