Home / 54,140.70-74,734.68-48,465.19

Finding the Fourth Proportional to 54,140.70, 74,734.68 and 48,465.19

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Solution

The fourth proportional to 54,140.70, 74,734.68 and 48,465.19 is: 66,900.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,140.70 : 74,734.68 = 48,465.19 : x
  2. Step 2: Convert to fraction form
    54,140.70/74,734.68 = 48,465.19/x
  3. Step 3: Cross multiply
    54,140.70x = 74,734.68 × 48,465.19
  4. Step 4: Simplify right side
    54,140.70x = 3,622,030,320.57
  5. Step 5: Solve for x
    x = 3,622,030,320.57/54,140.70
  6. Step 6: Final answer
    x = 66,900.32

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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.