Home / 75,905.81-113,713.82-42,524.90

Finding the Fourth Proportional to 75,905.81, 113,713.82 and 42,524.90

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Solution

The fourth proportional to 75,905.81, 113,713.82 and 42,524.90 is: 63,706.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,905.81 : 113,713.82 = 42,524.90 : x
  2. Step 2: Convert to fraction form
    75,905.81/113,713.82 = 42,524.90/x
  3. Step 3: Cross multiply
    75,905.81x = 113,713.82 × 42,524.90
  4. Step 4: Simplify right side
    75,905.81x = 4,835,668,868.02
  5. Step 5: Solve for x
    x = 4,835,668,868.02/75,905.81
  6. Step 6: Final answer
    x = 63,706.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.