Home / 53,254.20-79,881.30-23,640.60

Finding the Fourth Proportional to 53,254.20, 79,881.30 and 23,640.60

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Solution

The fourth proportional to 53,254.20, 79,881.30 and 23,640.60 is: 35,460.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,254.20 : 79,881.30 = 23,640.60 : x
  2. Step 2: Convert to fraction form
    53,254.20/79,881.30 = 23,640.60/x
  3. Step 3: Cross multiply
    53,254.20x = 79,881.30 × 23,640.60
  4. Step 4: Simplify right side
    53,254.20x = 1,888,441,860.78
  5. Step 5: Solve for x
    x = 1,888,441,860.78/53,254.20
  6. Step 6: Final answer
    x = 35,460.90

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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.