Home / 57,880.04-86,797.98-20,433.14

Finding the Fourth Proportional to 57,880.04, 86,797.98 and 20,433.14

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Solution

The fourth proportional to 57,880.04, 86,797.98 and 20,433.14 is: 30,641.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,880.04 : 86,797.98 = 20,433.14 : x
  2. Step 2: Convert to fraction form
    57,880.04/86,797.98 = 20,433.14/x
  3. Step 3: Cross multiply
    57,880.04x = 86,797.98 × 20,433.14
  4. Step 4: Simplify right side
    57,880.04x = 1,773,555,277.06
  5. Step 5: Solve for x
    x = 1,773,555,277.06/57,880.04
  6. Step 6: Final answer
    x = 30,641.92

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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.