Home / 83,181.44-124,734.36-53,788.16

Finding the Fourth Proportional to 83,181.44, 124,734.36 and 53,788.16

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Solution

The fourth proportional to 83,181.44, 124,734.36 and 53,788.16 is: 80,657.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,181.44 : 124,734.36 = 53,788.16 : x
  2. Step 2: Convert to fraction form
    83,181.44/124,734.36 = 53,788.16/x
  3. Step 3: Cross multiply
    83,181.44x = 124,734.36 × 53,788.16
  4. Step 4: Simplify right side
    83,181.44x = 6,709,231,713.18
  5. Step 5: Solve for x
    x = 6,709,231,713.18/83,181.44
  6. Step 6: Final answer
    x = 80,657.80

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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.