Home / 83,917.08-115,792.02-48,100.50

Finding the Fourth Proportional to 83,917.08, 115,792.02 and 48,100.50

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Solution

The fourth proportional to 83,917.08, 115,792.02 and 48,100.50 is: 66,370.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,917.08 : 115,792.02 = 48,100.50 : x
  2. Step 2: Convert to fraction form
    83,917.08/115,792.02 = 48,100.50/x
  3. Step 3: Cross multiply
    83,917.08x = 115,792.02 × 48,100.50
  4. Step 4: Simplify right side
    83,917.08x = 5,569,654,058.01
  5. Step 5: Solve for x
    x = 5,569,654,058.01/83,917.08
  6. Step 6: Final answer
    x = 66,370.92

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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.