Home / 84,408.44-116,378.20-61,729.24

Finding the Fourth Proportional to 84,408.44, 116,378.20 and 61,729.24

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Solution

The fourth proportional to 84,408.44, 116,378.20 and 61,729.24 is: 85,109.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,408.44 : 116,378.20 = 61,729.24 : x
  2. Step 2: Convert to fraction form
    84,408.44/116,378.20 = 61,729.24/x
  3. Step 3: Cross multiply
    84,408.44x = 116,378.20 × 61,729.24
  4. Step 4: Simplify right side
    84,408.44x = 7,183,937,838.57
  5. Step 5: Solve for x
    x = 7,183,937,838.57/84,408.44
  6. Step 6: Final answer
    x = 85,109.24

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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.