Home / 87,857.48-121,241.09-49,095.63

Finding the Fourth Proportional to 87,857.48, 121,241.09 and 49,095.63

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Solution

The fourth proportional to 87,857.48, 121,241.09 and 49,095.63 is: 67,750.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,857.48 : 121,241.09 = 49,095.63 : x
  2. Step 2: Convert to fraction form
    87,857.48/121,241.09 = 49,095.63/x
  3. Step 3: Cross multiply
    87,857.48x = 121,241.09 × 49,095.63
  4. Step 4: Simplify right side
    87,857.48x = 5,952,407,449.96
  5. Step 5: Solve for x
    x = 5,952,407,449.96/87,857.48
  6. Step 6: Final answer
    x = 67,750.72

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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.