Home / 75,702.21-113,566.68-31,304.10

Finding the Fourth Proportional to 75,702.21, 113,566.68 and 31,304.10

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Solution

The fourth proportional to 75,702.21, 113,566.68 and 31,304.10 is: 46,961.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,702.21 : 113,566.68 = 31,304.10 : x
  2. Step 2: Convert to fraction form
    75,702.21/113,566.68 = 31,304.10/x
  3. Step 3: Cross multiply
    75,702.21x = 113,566.68 × 31,304.10
  4. Step 4: Simplify right side
    75,702.21x = 3,555,102,707.39
  5. Step 5: Solve for x
    x = 3,555,102,707.39/75,702.21
  6. Step 6: Final answer
    x = 46,961.68

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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.