Home / 53,402.12-80,105.04-18,341.52

Finding the Fourth Proportional to 53,402.12, 80,105.04 and 18,341.52

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Solution

The fourth proportional to 53,402.12, 80,105.04 and 18,341.52 is: 27,512.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,402.12 : 80,105.04 = 18,341.52 : x
  2. Step 2: Convert to fraction form
    53,402.12/80,105.04 = 18,341.52/x
  3. Step 3: Cross multiply
    53,402.12x = 80,105.04 × 18,341.52
  4. Step 4: Simplify right side
    53,402.12x = 1,469,248,193.26
  5. Step 5: Solve for x
    x = 1,469,248,193.26/53,402.12
  6. Step 6: Final answer
    x = 27,512.92

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1.5x scale

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.