Home / 87,836.53-121,214.38-47,550.26

Finding the Fourth Proportional to 87,836.53, 121,214.38 and 47,550.26

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Solution

The fourth proportional to 87,836.53, 121,214.38 and 47,550.26 is: 65,619.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,836.53 : 121,214.38 = 47,550.26 : x
  2. Step 2: Convert to fraction form
    87,836.53/121,214.38 = 47,550.26/x
  3. Step 3: Cross multiply
    87,836.53x = 121,214.38 × 47,550.26
  4. Step 4: Simplify right side
    87,836.53x = 5,763,775,419.94
  5. Step 5: Solve for x
    x = 5,763,775,419.94/87,836.53
  6. Step 6: Final answer
    x = 65,619.35

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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.