Home / 74,710.14-111,880.68-55,689.18

Finding the Fourth Proportional to 74,710.14, 111,880.68 and 55,689.18

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Solution

The fourth proportional to 74,710.14, 111,880.68 and 55,689.18 is: 83,396.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,710.14 : 111,880.68 = 55,689.18 : x
  2. Step 2: Convert to fraction form
    74,710.14/111,880.68 = 55,689.18/x
  3. Step 3: Cross multiply
    74,710.14x = 111,880.68 × 55,689.18
  4. Step 4: Simplify right side
    74,710.14x = 6,230,543,327.04
  5. Step 5: Solve for x
    x = 6,230,543,327.04/74,710.14
  6. Step 6: Final answer
    x = 83,396.22

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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.