Home / 83,601.72-125,445.60-55,541.16

Finding the Fourth Proportional to 83,601.72, 125,445.60 and 55,541.16

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Solution

The fourth proportional to 83,601.72, 125,445.60 and 55,541.16 is: 83,340.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,601.72 : 125,445.60 = 55,541.16 : x
  2. Step 2: Convert to fraction form
    83,601.72/125,445.60 = 55,541.16/x
  3. Step 3: Cross multiply
    83,601.72x = 125,445.60 × 55,541.16
  4. Step 4: Simplify right side
    83,601.72x = 6,967,394,140.90
  5. Step 5: Solve for x
    x = 6,967,394,140.90/83,601.72
  6. Step 6: Final answer
    x = 83,340.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.