Home / 54,329.06-74,974.38-31,683.76

Finding the Fourth Proportional to 54,329.06, 74,974.38 and 31,683.76

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Solution

The fourth proportional to 54,329.06, 74,974.38 and 31,683.76 is: 43,723.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,329.06 : 74,974.38 = 31,683.76 : x
  2. Step 2: Convert to fraction form
    54,329.06/74,974.38 = 31,683.76/x
  3. Step 3: Cross multiply
    54,329.06x = 74,974.38 × 31,683.76
  4. Step 4: Simplify right side
    54,329.06x = 2,375,470,074.63
  5. Step 5: Solve for x
    x = 2,375,470,074.63/54,329.06
  6. Step 6: Final answer
    x = 43,723.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.