Home / 75,706.10-113,572.92-31,308.74

Finding the Fourth Proportional to 75,706.10, 113,572.92 and 31,308.74

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Solution

The fourth proportional to 75,706.10, 113,572.92 and 31,308.74 is: 46,968.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,706.10 : 113,572.92 = 31,308.74 : x
  2. Step 2: Convert to fraction form
    75,706.10/113,572.92 = 31,308.74/x
  3. Step 3: Cross multiply
    75,706.10x = 113,572.92 × 31,308.74
  4. Step 4: Simplify right side
    75,706.10x = 3,555,825,023.32
  5. Step 5: Solve for x
    x = 3,555,825,023.32/75,706.10
  6. Step 6: Final answer
    x = 46,968.80

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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.