Home / 57,802.90-79,716.16-48,144.42

Finding the Fourth Proportional to 57,802.90, 79,716.16 and 48,144.42

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Solution

The fourth proportional to 57,802.90, 79,716.16 and 48,144.42 is: 66,396.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,802.90 : 79,716.16 = 48,144.42 : x
  2. Step 2: Convert to fraction form
    57,802.90/79,716.16 = 48,144.42/x
  3. Step 3: Cross multiply
    57,802.90x = 79,716.16 × 48,144.42
  4. Step 4: Simplify right side
    57,802.90x = 3,837,888,287.83
  5. Step 5: Solve for x
    x = 3,837,888,287.83/57,802.90
  6. Step 6: Final answer
    x = 66,396.12

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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.