Home / 75,969.33-113,919.35-31,569.63

Finding the Fourth Proportional to 75,969.33, 113,919.35 and 31,569.63

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Solution

The fourth proportional to 75,969.33, 113,919.35 and 31,569.63 is: 47,340.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,969.33 : 113,919.35 = 31,569.63 : x
  2. Step 2: Convert to fraction form
    75,969.33/113,919.35 = 31,569.63/x
  3. Step 3: Cross multiply
    75,969.33x = 113,919.35 × 31,569.63
  4. Step 4: Simplify right side
    75,969.33x = 3,596,391,571.49
  5. Step 5: Solve for x
    x = 3,596,391,571.49/75,969.33
  6. Step 6: Final answer
    x = 47,340.05

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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.