Home / 83,590.94-115,357.62-45,865.18

Finding the Fourth Proportional to 83,590.94, 115,357.62 and 45,865.18

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Solution

The fourth proportional to 83,590.94, 115,357.62 and 45,865.18 is: 63,295.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,590.94 : 115,357.62 = 45,865.18 : x
  2. Step 2: Convert to fraction form
    83,590.94/115,357.62 = 45,865.18/x
  3. Step 3: Cross multiply
    83,590.94x = 115,357.62 × 45,865.18
  4. Step 4: Simplify right side
    83,590.94x = 5,290,898,005.67
  5. Step 5: Solve for x
    x = 5,290,898,005.67/83,590.94
  6. Step 6: Final answer
    x = 63,295.11

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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.