Home / 89,615.02-123,667.78-49,327.92

Finding the Fourth Proportional to 89,615.02, 123,667.78 and 49,327.92

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Solution

The fourth proportional to 89,615.02, 123,667.78 and 49,327.92 is: 68,072.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,615.02 : 123,667.78 = 49,327.92 : x
  2. Step 2: Convert to fraction form
    89,615.02/123,667.78 = 49,327.92/x
  3. Step 3: Cross multiply
    89,615.02x = 123,667.78 × 49,327.92
  4. Step 4: Simplify right side
    89,615.02x = 6,100,274,358.42
  5. Step 5: Solve for x
    x = 6,100,274,358.42/89,615.02
  6. Step 6: Final answer
    x = 68,072.01

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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.