Home / 89,799.33-123,928.66-49,513.03

Finding the Fourth Proportional to 89,799.33, 123,928.66 and 49,513.03

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Solution

The fourth proportional to 89,799.33, 123,928.66 and 49,513.03 is: 68,331.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,799.33 : 123,928.66 = 49,513.03 : x
  2. Step 2: Convert to fraction form
    89,799.33/123,928.66 = 49,513.03/x
  3. Step 3: Cross multiply
    89,799.33x = 123,928.66 × 49,513.03
  4. Step 4: Simplify right side
    89,799.33x = 6,136,083,421.80
  5. Step 5: Solve for x
    x = 6,136,083,421.80/89,799.33
  6. Step 6: Final answer
    x = 68,331.06

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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.