Home / 89,617.68-123,676.84-49,331.01

Finding the Fourth Proportional to 89,617.68, 123,676.84 and 49,331.01

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Solution

The fourth proportional to 89,617.68, 123,676.84 and 49,331.01 is: 68,079.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,617.68 : 123,676.84 = 49,331.01 : x
  2. Step 2: Convert to fraction form
    89,617.68/123,676.84 = 49,331.01/x
  3. Step 3: Cross multiply
    89,617.68x = 123,676.84 × 49,331.01
  4. Step 4: Simplify right side
    89,617.68x = 6,101,103,430.81
  5. Step 5: Solve for x
    x = 6,101,103,430.81/89,617.68
  6. Step 6: Final answer
    x = 68,079.24

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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.