Home / 77,677.34-107,193.70-43,685.82

Finding the Fourth Proportional to 77,677.34, 107,193.70 and 43,685.82

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Solution

The fourth proportional to 77,677.34, 107,193.70 and 43,685.82 is: 60,285.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,677.34 : 107,193.70 = 43,685.82 : x
  2. Step 2: Convert to fraction form
    77,677.34/107,193.70 = 43,685.82/x
  3. Step 3: Cross multiply
    77,677.34x = 107,193.70 × 43,685.82
  4. Step 4: Simplify right side
    77,677.34x = 4,682,844,683.33
  5. Step 5: Solve for x
    x = 4,682,844,683.33/77,677.34
  6. Step 6: Final answer
    x = 60,285.85

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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.