Home / 72,272.20-99,716.72-41,637.80

Finding the Fourth Proportional to 72,272.20, 99,716.72 and 41,637.80

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Solution

The fourth proportional to 72,272.20, 99,716.72 and 41,637.80 is: 57,449.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,272.20 : 99,716.72 = 41,637.80 : x
  2. Step 2: Convert to fraction form
    72,272.20/99,716.72 = 41,637.80/x
  3. Step 3: Cross multiply
    72,272.20x = 99,716.72 × 41,637.80
  4. Step 4: Simplify right side
    72,272.20x = 4,151,984,137.24
  5. Step 5: Solve for x
    x = 4,151,984,137.24/72,272.20
  6. Step 6: Final answer
    x = 57,449.26

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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.