Home / 87,858.26-121,244.45-47,572.04

Finding the Fourth Proportional to 87,858.26, 121,244.45 and 47,572.04

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Solution

The fourth proportional to 87,858.26, 121,244.45 and 47,572.04 is: 65,649.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,858.26 : 121,244.45 = 47,572.04 : x
  2. Step 2: Convert to fraction form
    87,858.26/121,244.45 = 47,572.04/x
  3. Step 3: Cross multiply
    87,858.26x = 121,244.45 × 47,572.04
  4. Step 4: Simplify right side
    87,858.26x = 5,767,844,981.10
  5. Step 5: Solve for x
    x = 5,767,844,981.10/87,858.26
  6. Step 6: Final answer
    x = 65,649.44

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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.