Home / 88,266.72-121,780.08-54,752.16

Finding the Fourth Proportional to 88,266.72, 121,780.08 and 54,752.16

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Solution

The fourth proportional to 88,266.72, 121,780.08 and 54,752.16 is: 75,540.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,266.72 : 121,780.08 = 54,752.16 : x
  2. Step 2: Convert to fraction form
    88,266.72/121,780.08 = 54,752.16/x
  3. Step 3: Cross multiply
    88,266.72x = 121,780.08 × 54,752.16
  4. Step 4: Simplify right side
    88,266.72x = 6,667,722,424.97
  5. Step 5: Solve for x
    x = 6,667,722,424.97/88,266.72
  6. Step 6: Final answer
    x = 75,540.62

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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.