Home / 89,288.16-123,218.66-49,001.06

Finding the Fourth Proportional to 89,288.16, 123,218.66 and 49,001.06

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Solution

The fourth proportional to 89,288.16, 123,218.66 and 49,001.06 is: 67,622.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,288.16 : 123,218.66 = 49,001.06 : x
  2. Step 2: Convert to fraction form
    89,288.16/123,218.66 = 49,001.06/x
  3. Step 3: Cross multiply
    89,288.16x = 123,218.66 × 49,001.06
  4. Step 4: Simplify right side
    89,288.16x = 6,037,844,626.26
  5. Step 5: Solve for x
    x = 6,037,844,626.26/89,288.16
  6. Step 6: Final answer
    x = 67,622.01

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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.