Home / 87,353.35-120,547.01-49,627.60

Finding the Fourth Proportional to 87,353.35, 120,547.01 and 49,627.60

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Solution

The fourth proportional to 87,353.35, 120,547.01 and 49,627.60 is: 68,485.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,353.35 : 120,547.01 = 49,627.60 : x
  2. Step 2: Convert to fraction form
    87,353.35/120,547.01 = 49,627.60/x
  3. Step 3: Cross multiply
    87,353.35x = 120,547.01 × 49,627.60
  4. Step 4: Simplify right side
    87,353.35x = 5,982,458,616.18
  5. Step 5: Solve for x
    x = 5,982,458,616.18/87,353.35
  6. Step 6: Final answer
    x = 68,485.74

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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.