Home / 80,928.51-111,687.26-46,948.61

Finding the Fourth Proportional to 80,928.51, 111,687.26 and 46,948.61

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Solution

The fourth proportional to 80,928.51, 111,687.26 and 46,948.61 is: 64,792.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,928.51 : 111,687.26 = 46,948.61 : x
  2. Step 2: Convert to fraction form
    80,928.51/111,687.26 = 46,948.61/x
  3. Step 3: Cross multiply
    80,928.51x = 111,687.26 × 46,948.61
  4. Step 4: Simplify right side
    80,928.51x = 5,243,560,818.53
  5. Step 5: Solve for x
    x = 5,243,560,818.53/80,928.51
  6. Step 6: Final answer
    x = 64,792.50

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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.