Home / 89,316.68-123,257.90-49,029.57

Finding the Fourth Proportional to 89,316.68, 123,257.90 and 49,029.57

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Solution

The fourth proportional to 89,316.68, 123,257.90 and 49,029.57 is: 67,661.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,316.68 : 123,257.90 = 49,029.57 : x
  2. Step 2: Convert to fraction form
    89,316.68/123,257.90 = 49,029.57/x
  3. Step 3: Cross multiply
    89,316.68x = 123,257.90 × 49,029.57
  4. Step 4: Simplify right side
    89,316.68x = 6,043,281,958.68
  5. Step 5: Solve for x
    x = 6,043,281,958.68/89,316.68
  6. Step 6: Final answer
    x = 67,661.30

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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.