Home / 71,441.48-98,595.27-39,620.63

Finding the Fourth Proportional to 71,441.48, 98,595.27 and 39,620.63

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Solution

The fourth proportional to 71,441.48, 98,595.27 and 39,620.63 is: 54,679.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,441.48 : 98,595.27 = 39,620.63 : x
  2. Step 2: Convert to fraction form
    71,441.48/98,595.27 = 39,620.63/x
  3. Step 3: Cross multiply
    71,441.48x = 98,595.27 × 39,620.63
  4. Step 4: Simplify right side
    71,441.48x = 3,906,406,219.44
  5. Step 5: Solve for x
    x = 3,906,406,219.44/71,441.48
  6. Step 6: Final answer
    x = 54,679.81

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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.