Home / 112,792.42-155,653.57-61,804.73

Finding the Fourth Proportional to 112,792.42, 155,653.57 and 61,804.73

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Solution

The fourth proportional to 112,792.42, 155,653.57 and 61,804.73 is: 85,290.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,792.42 : 155,653.57 = 61,804.73 : x
  2. Step 2: Convert to fraction form
    112,792.42/155,653.57 = 61,804.73/x
  3. Step 3: Cross multiply
    112,792.42x = 155,653.57 × 61,804.73
  4. Step 4: Simplify right side
    112,792.42x = 9,620,126,867.39
  5. Step 5: Solve for x
    x = 9,620,126,867.39/112,792.42
  6. Step 6: Final answer
    x = 85,290.54

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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.