Home / 75,418.04-104,065.61-43,147.53

Finding the Fourth Proportional to 75,418.04, 104,065.61 and 43,147.53

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Solution

The fourth proportional to 75,418.04, 104,065.61 and 43,147.53 is: 59,537.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,418.04 : 104,065.61 = 43,147.53 : x
  2. Step 2: Convert to fraction form
    75,418.04/104,065.61 = 43,147.53/x
  3. Step 3: Cross multiply
    75,418.04x = 104,065.61 × 43,147.53
  4. Step 4: Simplify right side
    75,418.04x = 4,490,173,983.24
  5. Step 5: Solve for x
    x = 4,490,173,983.24/75,418.04
  6. Step 6: Final answer
    x = 59,537.14

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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.