Home / 80,925.15-111,716.32-62,735.68

Finding the Fourth Proportional to 80,925.15, 111,716.32 and 62,735.68

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Solution

The fourth proportional to 80,925.15, 111,716.32 and 62,735.68 is: 86,605.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,925.15 : 111,716.32 = 62,735.68 : x
  2. Step 2: Convert to fraction form
    80,925.15/111,716.32 = 62,735.68/x
  3. Step 3: Cross multiply
    80,925.15x = 111,716.32 × 62,735.68
  4. Step 4: Simplify right side
    80,925.15x = 7,008,599,302.30
  5. Step 5: Solve for x
    x = 7,008,599,302.30/80,925.15
  6. Step 6: Final answer
    x = 86,605.95

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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.