Home / 88,456.76-122,067.51-52,638.56

Finding the Fourth Proportional to 88,456.76, 122,067.51 and 52,638.56

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Solution

The fourth proportional to 88,456.76, 122,067.51 and 52,638.56 is: 72,639.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,456.76 : 122,067.51 = 52,638.56 : x
  2. Step 2: Convert to fraction form
    88,456.76/122,067.51 = 52,638.56/x
  3. Step 3: Cross multiply
    88,456.76x = 122,067.51 × 52,638.56
  4. Step 4: Simplify right side
    88,456.76x = 6,425,457,949.19
  5. Step 5: Solve for x
    x = 6,425,457,949.19/88,456.76
  6. Step 6: Final answer
    x = 72,639.54

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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.