Home / 88,908.32-122,635.68-57,026.72

Finding the Fourth Proportional to 88,908.32, 122,635.68 and 57,026.72

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Solution

The fourth proportional to 88,908.32, 122,635.68 and 57,026.72 is: 78,659.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,908.32 : 122,635.68 = 57,026.72 : x
  2. Step 2: Convert to fraction form
    88,908.32/122,635.68 = 57,026.72/x
  3. Step 3: Cross multiply
    88,908.32x = 122,635.68 × 57,026.72
  4. Step 4: Simplify right side
    88,908.32x = 6,993,510,585.37
  5. Step 5: Solve for x
    x = 6,993,510,585.37/88,908.32
  6. Step 6: Final answer
    x = 78,659.80

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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.