Home / 47,881.10-71,821.65-16,712.30

Finding the Fourth Proportional to 47,881.10, 71,821.65 and 16,712.30

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Solution

The fourth proportional to 47,881.10, 71,821.65 and 16,712.30 is: 25,068.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,881.10 : 71,821.65 = 16,712.30 : x
  2. Step 2: Convert to fraction form
    47,881.10/71,821.65 = 16,712.30/x
  3. Step 3: Cross multiply
    47,881.10x = 71,821.65 × 16,712.30
  4. Step 4: Simplify right side
    47,881.10x = 1,200,304,961.30
  5. Step 5: Solve for x
    x = 1,200,304,961.30/47,881.10
  6. Step 6: Final answer
    x = 25,068.45

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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.