Home / 89,073.64-122,891.11-50,805.69

Finding the Fourth Proportional to 89,073.64, 122,891.11 and 50,805.69

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Solution

The fourth proportional to 89,073.64, 122,891.11 and 50,805.69 is: 70,094.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,073.64 : 122,891.11 = 50,805.69 : x
  2. Step 2: Convert to fraction form
    89,073.64/122,891.11 = 50,805.69/x
  3. Step 3: Cross multiply
    89,073.64x = 122,891.11 × 50,805.69
  4. Step 4: Simplify right side
    89,073.64x = 6,243,567,638.42
  5. Step 5: Solve for x
    x = 6,243,567,638.42/89,073.64
  6. Step 6: Final answer
    x = 70,094.45

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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.