Home / 112,377.44-155,074.01-61,379.84

Finding the Fourth Proportional to 112,377.44, 155,074.01 and 61,379.84

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Solution

The fourth proportional to 112,377.44, 155,074.01 and 61,379.84 is: 84,700.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,377.44 : 155,074.01 = 61,379.84 : x
  2. Step 2: Convert to fraction form
    112,377.44/155,074.01 = 61,379.84/x
  3. Step 3: Cross multiply
    112,377.44x = 155,074.01 × 61,379.84
  4. Step 4: Simplify right side
    112,377.44x = 9,518,416,839.69
  5. Step 5: Solve for x
    x = 9,518,416,839.69/112,377.44
  6. Step 6: Final answer
    x = 84,700.43

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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.