Home / 89,442.41-123,432.86-49,157.24

Finding the Fourth Proportional to 89,442.41, 123,432.86 and 49,157.24

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Solution

The fourth proportional to 89,442.41, 123,432.86 and 49,157.24 is: 67,838.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,442.41 : 123,432.86 = 49,157.24 : x
  2. Step 2: Convert to fraction form
    89,442.41/123,432.86 = 49,157.24/x
  3. Step 3: Cross multiply
    89,442.41x = 123,432.86 × 49,157.24
  4. Step 4: Simplify right side
    89,442.41x = 6,067,618,228.64
  5. Step 5: Solve for x
    x = 6,067,618,228.64/89,442.41
  6. Step 6: Final answer
    x = 67,838.27

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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.