Home / 87,353.09-120,547.22-49,627.34

Finding the Fourth Proportional to 87,353.09, 120,547.22 and 49,627.34

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Solution

The fourth proportional to 87,353.09, 120,547.22 and 49,627.34 is: 68,485.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,353.09 : 120,547.22 = 49,627.34 : x
  2. Step 2: Convert to fraction form
    87,353.09/120,547.22 = 49,627.34/x
  3. Step 3: Cross multiply
    87,353.09x = 120,547.22 × 49,627.34
  4. Step 4: Simplify right side
    87,353.09x = 5,982,437,022.12
  5. Step 5: Solve for x
    x = 5,982,437,022.12/87,353.09
  6. Step 6: Final answer
    x = 68,485.70

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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.