Home / 89,140.28-122,997.96-50,882.36

Finding the Fourth Proportional to 89,140.28, 122,997.96 and 50,882.36

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Solution

The fourth proportional to 89,140.28, 122,997.96 and 50,882.36 is: 70,208.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,140.28 : 122,997.96 = 50,882.36 : x
  2. Step 2: Convert to fraction form
    89,140.28/122,997.96 = 50,882.36/x
  3. Step 3: Cross multiply
    89,140.28x = 122,997.96 × 50,882.36
  4. Step 4: Simplify right side
    89,140.28x = 6,258,426,479.99
  5. Step 5: Solve for x
    x = 6,258,426,479.99/89,140.28
  6. Step 6: Final answer
    x = 70,208.74

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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.