Home / 75,971.58-113,922.72-31,571.88

Finding the Fourth Proportional to 75,971.58, 113,922.72 and 31,571.88

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Solution

The fourth proportional to 75,971.58, 113,922.72 and 31,571.88 is: 47,343.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,971.58 : 113,922.72 = 31,571.88 : x
  2. Step 2: Convert to fraction form
    75,971.58/113,922.72 = 31,571.88/x
  3. Step 3: Cross multiply
    75,971.58x = 113,922.72 × 31,571.88
  4. Step 4: Simplify right side
    75,971.58x = 3,596,754,445.11
  5. Step 5: Solve for x
    x = 3,596,754,445.11/75,971.58
  6. Step 6: Final answer
    x = 47,343.42

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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.