Home / 88,540.08-122,198.32-58,320.56

Finding the Fourth Proportional to 88,540.08, 122,198.32 and 58,320.56

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Solution

The fourth proportional to 88,540.08, 122,198.32 and 58,320.56 is: 80,490.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,540.08 : 122,198.32 = 58,320.56 : x
  2. Step 2: Convert to fraction form
    88,540.08/122,198.32 = 58,320.56/x
  3. Step 3: Cross multiply
    88,540.08x = 122,198.32 × 58,320.56
  4. Step 4: Simplify right side
    88,540.08x = 7,126,674,453.46
  5. Step 5: Solve for x
    x = 7,126,674,453.46/88,540.08
  6. Step 6: Final answer
    x = 80,490.94

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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.