Home / 83,849.23-115,728.36-48,063.20

Finding the Fourth Proportional to 83,849.23, 115,728.36 and 48,063.20

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Solution

The fourth proportional to 83,849.23, 115,728.36 and 48,063.20 is: 66,336.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,849.23 : 115,728.36 = 48,063.20 : x
  2. Step 2: Convert to fraction form
    83,849.23/115,728.36 = 48,063.20/x
  3. Step 3: Cross multiply
    83,849.23x = 115,728.36 × 48,063.20
  4. Step 4: Simplify right side
    83,849.23x = 5,562,275,312.35
  5. Step 5: Solve for x
    x = 5,562,275,312.35/83,849.23
  6. Step 6: Final answer
    x = 66,336.63

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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.