Home / 85,734.17-118,344.21-69,790.94

Finding the Fourth Proportional to 85,734.17, 118,344.21 and 69,790.94

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Solution

The fourth proportional to 85,734.17, 118,344.21 and 69,790.94 is: 96,336.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,734.17 : 118,344.21 = 69,790.94 : x
  2. Step 2: Convert to fraction form
    85,734.17/118,344.21 = 69,790.94/x
  3. Step 3: Cross multiply
    85,734.17x = 118,344.21 × 69,790.94
  4. Step 4: Simplify right side
    85,734.17x = 8,259,353,659.46
  5. Step 5: Solve for x
    x = 8,259,353,659.46/85,734.17
  6. Step 6: Final answer
    x = 96,336.78

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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.