Home / 75,912.22-113,909.46-31,569.58

Finding the Fourth Proportional to 75,912.22, 113,909.46 and 31,569.58

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Solution

The fourth proportional to 75,912.22, 113,909.46 and 31,569.58 is: 47,371.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,912.22 : 113,909.46 = 31,569.58 : x
  2. Step 2: Convert to fraction form
    75,912.22/113,909.46 = 31,569.58/x
  3. Step 3: Cross multiply
    75,912.22x = 113,909.46 × 31,569.58
  4. Step 4: Simplify right side
    75,912.22x = 3,596,073,810.23
  5. Step 5: Solve for x
    x = 3,596,073,810.23/75,912.22
  6. Step 6: Final answer
    x = 47,371.47

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1.5x scale

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.