Home / 89,415.14-134,122.55-22,855.28

Finding the Fourth Proportional to 89,415.14, 134,122.55 and 22,855.28

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Solution

The fourth proportional to 89,415.14, 134,122.55 and 22,855.28 is: 34,282.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,415.14 : 134,122.55 = 22,855.28 : x
  2. Step 2: Convert to fraction form
    89,415.14/134,122.55 = 22,855.28/x
  3. Step 3: Cross multiply
    89,415.14x = 134,122.55 × 22,855.28
  4. Step 4: Simplify right side
    89,415.14x = 3,065,407,649.67
  5. Step 5: Solve for x
    x = 3,065,407,649.67/89,415.14
  6. Step 6: Final answer
    x = 34,282.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.