Home / 89,278.28-123,203.75-48,442.23

Finding the Fourth Proportional to 89,278.28, 123,203.75 and 48,442.23

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Solution

The fourth proportional to 89,278.28, 123,203.75 and 48,442.23 is: 66,850.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,278.28 : 123,203.75 = 48,442.23 : x
  2. Step 2: Convert to fraction form
    89,278.28/123,203.75 = 48,442.23/x
  3. Step 3: Cross multiply
    89,278.28x = 123,203.75 × 48,442.23
  4. Step 4: Simplify right side
    89,278.28x = 5,968,264,152.15
  5. Step 5: Solve for x
    x = 5,968,264,152.15/89,278.28
  6. Step 6: Final answer
    x = 66,850.13

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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.