Home / 89,932.56-124,207.20-70,028.88

Finding the Fourth Proportional to 89,932.56, 124,207.20 and 70,028.88

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Solution

The fourth proportional to 89,932.56, 124,207.20 and 70,028.88 is: 96,717.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,932.56 : 124,207.20 = 70,028.88 : x
  2. Step 2: Convert to fraction form
    89,932.56/124,207.20 = 70,028.88/x
  3. Step 3: Cross multiply
    89,932.56x = 124,207.20 × 70,028.88
  4. Step 4: Simplify right side
    89,932.56x = 8,698,091,103.94
  5. Step 5: Solve for x
    x = 8,698,091,103.94/89,932.56
  6. Step 6: Final answer
    x = 96,717.93

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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.