Home / 87,448.26-120,685.20-53,463.18

Finding the Fourth Proportional to 87,448.26, 120,685.20 and 53,463.18

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Solution

The fourth proportional to 87,448.26, 120,685.20 and 53,463.18 is: 73,783.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,448.26 : 120,685.20 = 53,463.18 : x
  2. Step 2: Convert to fraction form
    87,448.26/120,685.20 = 53,463.18/x
  3. Step 3: Cross multiply
    87,448.26x = 120,685.20 × 53,463.18
  4. Step 4: Simplify right side
    87,448.26x = 6,452,214,570.94
  5. Step 5: Solve for x
    x = 6,452,214,570.94/87,448.26
  6. Step 6: Final answer
    x = 73,783.22

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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.