Home / 71,024.48-106,553.40-21,104.96

Finding the Fourth Proportional to 71,024.48, 106,553.40 and 21,104.96

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Solution

The fourth proportional to 71,024.48, 106,553.40 and 21,104.96 is: 31,662.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,024.48 : 106,553.40 = 21,104.96 : x
  2. Step 2: Convert to fraction form
    71,024.48/106,553.40 = 21,104.96/x
  3. Step 3: Cross multiply
    71,024.48x = 106,553.40 × 21,104.96
  4. Step 4: Simplify right side
    71,024.48x = 2,248,805,244.86
  5. Step 5: Solve for x
    x = 2,248,805,244.86/71,024.48
  6. Step 6: Final answer
    x = 31,662.40

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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.