Home / 45,023.60-67,569.12-16,971.36

Finding the Fourth Proportional to 45,023.60, 67,569.12 and 16,971.36

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Solution

The fourth proportional to 45,023.60, 67,569.12 and 16,971.36 is: 25,469.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,023.60 : 67,569.12 = 16,971.36 : x
  2. Step 2: Convert to fraction form
    45,023.60/67,569.12 = 16,971.36/x
  3. Step 3: Cross multiply
    45,023.60x = 67,569.12 × 16,971.36
  4. Step 4: Simplify right side
    45,023.60x = 1,146,739,860.40
  5. Step 5: Solve for x
    x = 1,146,739,860.40/45,023.60
  6. Step 6: Final answer
    x = 25,469.75

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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.