Home / 57,916.22-86,880.80-18,464.18

Finding the Fourth Proportional to 57,916.22, 86,880.80 and 18,464.18

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Solution

The fourth proportional to 57,916.22, 86,880.80 and 18,464.18 is: 27,698.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,916.22 : 86,880.80 = 18,464.18 : x
  2. Step 2: Convert to fraction form
    57,916.22/86,880.80 = 18,464.18/x
  3. Step 3: Cross multiply
    57,916.22x = 86,880.80 × 18,464.18
  4. Step 4: Simplify right side
    57,916.22x = 1,604,182,729.74
  5. Step 5: Solve for x
    x = 1,604,182,729.74/57,916.22
  6. Step 6: Final answer
    x = 27,698.33

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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.