Home / 89,153.44-123,031.28-48,868.88

Finding the Fourth Proportional to 89,153.44, 123,031.28 and 48,868.88

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Solution

The fourth proportional to 89,153.44, 123,031.28 and 48,868.88 is: 67,438.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,153.44 : 123,031.28 = 48,868.88 : x
  2. Step 2: Convert to fraction form
    89,153.44/123,031.28 = 48,868.88/x
  3. Step 3: Cross multiply
    89,153.44x = 123,031.28 × 48,868.88
  4. Step 4: Simplify right side
    89,153.44x = 6,012,400,858.57
  5. Step 5: Solve for x
    x = 6,012,400,858.57/89,153.44
  6. Step 6: Final answer
    x = 67,438.80

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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.