Home / 55,567.87-83,329.84-18,118.74

Finding the Fourth Proportional to 55,567.87, 83,329.84 and 18,118.74

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Solution

The fourth proportional to 55,567.87, 83,329.84 and 18,118.74 is: 27,170.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,567.87 : 83,329.84 = 18,118.74 : x
  2. Step 2: Convert to fraction form
    55,567.87/83,329.84 = 18,118.74/x
  3. Step 3: Cross multiply
    55,567.87x = 83,329.84 × 18,118.74
  4. Step 4: Simplify right side
    55,567.87x = 1,509,831,705.20
  5. Step 5: Solve for x
    x = 1,509,831,705.20/55,567.87
  6. Step 6: Final answer
    x = 27,170.95

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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.