Home / 75,794.59-113,643.28-31,451.95

Finding the Fourth Proportional to 75,794.59, 113,643.28 and 31,451.95

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Solution

The fourth proportional to 75,794.59, 113,643.28 and 31,451.95 is: 47,157.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,794.59 : 113,643.28 = 31,451.95 : x
  2. Step 2: Convert to fraction form
    75,794.59/113,643.28 = 31,451.95/x
  3. Step 3: Cross multiply
    75,794.59x = 113,643.28 × 31,451.95
  4. Step 4: Simplify right side
    75,794.59x = 3,574,302,760.40
  5. Step 5: Solve for x
    x = 3,574,302,760.40/75,794.59
  6. Step 6: Final answer
    x = 47,157.76

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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.