Home / 84,442.29-116,282.34-75,486.52

Finding the Fourth Proportional to 84,442.29, 116,282.34 and 75,486.52

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Solution

The fourth proportional to 84,442.29, 116,282.34 and 75,486.52 is: 103,949.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,442.29 : 116,282.34 = 75,486.52 : x
  2. Step 2: Convert to fraction form
    84,442.29/116,282.34 = 75,486.52/x
  3. Step 3: Cross multiply
    84,442.29x = 116,282.34 × 75,486.52
  4. Step 4: Simplify right side
    84,442.29x = 8,777,749,184.06
  5. Step 5: Solve for x
    x = 8,777,749,184.06/84,442.29
  6. Step 6: Final answer
    x = 103,949.68

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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.