Home / 112,029.52-154,593.48-61,728.52

Finding the Fourth Proportional to 112,029.52, 154,593.48 and 61,728.52

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Solution

The fourth proportional to 112,029.52, 154,593.48 and 61,728.52 is: 85,181.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,029.52 : 154,593.48 = 61,728.52 : x
  2. Step 2: Convert to fraction form
    112,029.52/154,593.48 = 61,728.52/x
  3. Step 3: Cross multiply
    112,029.52x = 154,593.48 × 61,728.52
  4. Step 4: Simplify right side
    112,029.52x = 9,542,826,722.05
  5. Step 5: Solve for x
    x = 9,542,826,722.05/112,029.52
  6. Step 6: Final answer
    x = 85,181.36

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1.5x scale

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.