Home / 75,908.46-104,729.31-42,367.98

Finding the Fourth Proportional to 75,908.46, 104,729.31 and 42,367.98

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Solution

The fourth proportional to 75,908.46, 104,729.31 and 42,367.98 is: 58,454.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,908.46 : 104,729.31 = 42,367.98 : x
  2. Step 2: Convert to fraction form
    75,908.46/104,729.31 = 42,367.98/x
  3. Step 3: Cross multiply
    75,908.46x = 104,729.31 × 42,367.98
  4. Step 4: Simplify right side
    75,908.46x = 4,437,169,311.49
  5. Step 5: Solve for x
    x = 4,437,169,311.49/75,908.46
  6. Step 6: Final answer
    x = 58,454.21

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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.