Home / 75,720.14-104,493.30-41,728.89

Finding the Fourth Proportional to 75,720.14, 104,493.30 and 41,728.89

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Solution

The fourth proportional to 75,720.14, 104,493.30 and 41,728.89 is: 57,585.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,720.14 : 104,493.30 = 41,728.89 : x
  2. Step 2: Convert to fraction form
    75,720.14/104,493.30 = 41,728.89/x
  3. Step 3: Cross multiply
    75,720.14x = 104,493.30 × 41,728.89
  4. Step 4: Simplify right side
    75,720.14x = 4,360,389,421.44
  5. Step 5: Solve for x
    x = 4,360,389,421.44/75,720.14
  6. Step 6: Final answer
    x = 57,585.60

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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.