Home / 88,264.72-121,777.32-54,750.16

Finding the Fourth Proportional to 88,264.72, 121,777.32 and 54,750.16

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Solution

The fourth proportional to 88,264.72, 121,777.32 and 54,750.16 is: 75,537.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,264.72 : 121,777.32 = 54,750.16 : x
  2. Step 2: Convert to fraction form
    88,264.72/121,777.32 = 54,750.16/x
  3. Step 3: Cross multiply
    88,264.72x = 121,777.32 × 54,750.16
  4. Step 4: Simplify right side
    88,264.72x = 6,667,327,754.37
  5. Step 5: Solve for x
    x = 6,667,327,754.37/88,264.72
  6. Step 6: Final answer
    x = 75,537.86

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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.