Home / 89,235.30-123,143.82-48,948.32

Finding the Fourth Proportional to 89,235.30, 123,143.82 and 48,948.32

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Solution

The fourth proportional to 89,235.30, 123,143.82 and 48,948.32 is: 67,548.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,235.30 : 123,143.82 = 48,948.32 : x
  2. Step 2: Convert to fraction form
    89,235.30/123,143.82 = 48,948.32/x
  3. Step 3: Cross multiply
    89,235.30x = 123,143.82 × 48,948.32
  4. Step 4: Simplify right side
    89,235.30x = 6,027,683,107.38
  5. Step 5: Solve for x
    x = 6,027,683,107.38/89,235.30
  6. Step 6: Final answer
    x = 67,548.19

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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.