Home / 80,856.56-111,628.36-54,044.48

Finding the Fourth Proportional to 80,856.56, 111,628.36 and 54,044.48

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Solution

The fourth proportional to 80,856.56, 111,628.36 and 54,044.48 is: 74,612.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,856.56 : 111,628.36 = 54,044.48 : x
  2. Step 2: Convert to fraction form
    80,856.56/111,628.36 = 54,044.48/x
  3. Step 3: Cross multiply
    80,856.56x = 111,628.36 × 54,044.48
  4. Step 4: Simplify right side
    80,856.56x = 6,032,896,669.45
  5. Step 5: Solve for x
    x = 6,032,896,669.45/80,856.56
  6. Step 6: Final answer
    x = 74,612.33

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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.