Home / 57,965.60-86,977.20-22,906.40

Finding the Fourth Proportional to 57,965.60, 86,977.20 and 22,906.40

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Solution

The fourth proportional to 57,965.60, 86,977.20 and 22,906.40 is: 34,370.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,965.60 : 86,977.20 = 22,906.40 : x
  2. Step 2: Convert to fraction form
    57,965.60/86,977.20 = 22,906.40/x
  3. Step 3: Cross multiply
    57,965.60x = 86,977.20 × 22,906.40
  4. Step 4: Simplify right side
    57,965.60x = 1,992,334,534.08
  5. Step 5: Solve for x
    x = 1,992,334,534.08/57,965.60
  6. Step 6: Final answer
    x = 34,370.98

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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.