Home / 88,063.20-121,545.76-56,226.56

Finding the Fourth Proportional to 88,063.20, 121,545.76 and 56,226.56

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Solution

The fourth proportional to 88,063.20, 121,545.76 and 56,226.56 is: 77,604.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,063.20 : 121,545.76 = 56,226.56 : x
  2. Step 2: Convert to fraction form
    88,063.20/121,545.76 = 56,226.56/x
  3. Step 3: Cross multiply
    88,063.20x = 121,545.76 × 56,226.56
  4. Step 4: Simplify right side
    88,063.20x = 6,834,099,967.39
  5. Step 5: Solve for x
    x = 6,834,099,967.39/88,063.20
  6. Step 6: Final answer
    x = 77,604.49

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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.