Home / 89,232.32-123,138.68-48,945.35

Finding the Fourth Proportional to 89,232.32, 123,138.68 and 48,945.35

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Solution

The fourth proportional to 89,232.32, 123,138.68 and 48,945.35 is: 67,543.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,232.32 : 123,138.68 = 48,945.35 : x
  2. Step 2: Convert to fraction form
    89,232.32/123,138.68 = 48,945.35/x
  3. Step 3: Cross multiply
    89,232.32x = 123,138.68 × 48,945.35
  4. Step 4: Simplify right side
    89,232.32x = 6,027,064,930.72
  5. Step 5: Solve for x
    x = 6,027,064,930.72/89,232.32
  6. Step 6: Final answer
    x = 67,543.52

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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.