Home / 85,639.20-118,166.22-49,816.14

Finding the Fourth Proportional to 85,639.20, 118,166.22 and 49,816.14

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Solution

The fourth proportional to 85,639.20, 118,166.22 and 49,816.14 is: 68,737.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,639.20 : 118,166.22 = 49,816.14 : x
  2. Step 2: Convert to fraction form
    85,639.20/118,166.22 = 49,816.14/x
  3. Step 3: Cross multiply
    85,639.20x = 118,166.22 × 49,816.14
  4. Step 4: Simplify right side
    85,639.20x = 5,886,584,958.79
  5. Step 5: Solve for x
    x = 5,886,584,958.79/85,639.20
  6. Step 6: Final answer
    x = 68,737.04

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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.