Home / 89,004.11-122,959.07-58,449.69

Finding the Fourth Proportional to 89,004.11, 122,959.07 and 58,449.69

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Solution

The fourth proportional to 89,004.11, 122,959.07 and 58,449.69 is: 80,748.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,004.11 : 122,959.07 = 58,449.69 : x
  2. Step 2: Convert to fraction form
    89,004.11/122,959.07 = 58,449.69/x
  3. Step 3: Cross multiply
    89,004.11x = 122,959.07 × 58,449.69
  4. Step 4: Simplify right side
    89,004.11x = 7,186,919,231.94
  5. Step 5: Solve for x
    x = 7,186,919,231.94/89,004.11
  6. Step 6: Final answer
    x = 80,748.18

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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.