Home / 77,942.16-107,562.60-44,406

Finding the Fourth Proportional to 77,942.16, 107,562.60 and 44,406

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Solution

The fourth proportional to 77,942.16, 107,562.60 and 44,406 is: 61,281.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,942.16 : 107,562.60 = 44,406 : x
  2. Step 2: Convert to fraction form
    77,942.16/107,562.60 = 44,406/x
  3. Step 3: Cross multiply
    77,942.16x = 107,562.60 × 44,406
  4. Step 4: Simplify right side
    77,942.16x = 4,776,424,815.60
  5. Step 5: Solve for x
    x = 4,776,424,815.60/77,942.16
  6. Step 6: Final answer
    x = 61,281.66

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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.