Home / 47,402.88-71,104.50-11,864.10

Finding the Fourth Proportional to 47,402.88, 71,104.50 and 11,864.10

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Solution

The fourth proportional to 47,402.88, 71,104.50 and 11,864.10 is: 17,796.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,402.88 : 71,104.50 = 11,864.10 : x
  2. Step 2: Convert to fraction form
    47,402.88/71,104.50 = 11,864.10/x
  3. Step 3: Cross multiply
    47,402.88x = 71,104.50 × 11,864.10
  4. Step 4: Simplify right side
    47,402.88x = 843,590,898.45
  5. Step 5: Solve for x
    x = 843,590,898.45/47,402.88
  6. Step 6: Final answer
    x = 17,796.20

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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.