Home / 89,208.30-123,107.13-48,921.06

Finding the Fourth Proportional to 89,208.30, 123,107.13 and 48,921.06

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Solution

The fourth proportional to 89,208.30, 123,107.13 and 48,921.06 is: 67,510.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,208.30 : 123,107.13 = 48,921.06 : x
  2. Step 2: Convert to fraction form
    89,208.30/123,107.13 = 48,921.06/x
  3. Step 3: Cross multiply
    89,208.30x = 123,107.13 × 48,921.06
  4. Step 4: Simplify right side
    89,208.30x = 6,022,531,293.16
  5. Step 5: Solve for x
    x = 6,022,531,293.16/89,208.30
  6. Step 6: Final answer
    x = 67,510.89

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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.