Home / 75,446.40-113,170.56-38,536.32

Finding the Fourth Proportional to 75,446.40, 113,170.56 and 38,536.32

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Solution

The fourth proportional to 75,446.40, 113,170.56 and 38,536.32 is: 57,804.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,446.40 : 113,170.56 = 38,536.32 : x
  2. Step 2: Convert to fraction form
    75,446.40/113,170.56 = 38,536.32/x
  3. Step 3: Cross multiply
    75,446.40x = 113,170.56 × 38,536.32
  4. Step 4: Simplify right side
    75,446.40x = 4,361,176,914.74
  5. Step 5: Solve for x
    x = 4,361,176,914.74/75,446.40
  6. Step 6: Final answer
    x = 57,804.97

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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.