Home / 47,318.10-70,962.54-15,721.44

Finding the Fourth Proportional to 47,318.10, 70,962.54 and 15,721.44

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Solution

The fourth proportional to 47,318.10, 70,962.54 and 15,721.44 is: 23,577.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,318.10 : 70,962.54 = 15,721.44 : x
  2. Step 2: Convert to fraction form
    47,318.10/70,962.54 = 15,721.44/x
  3. Step 3: Cross multiply
    47,318.10x = 70,962.54 × 15,721.44
  4. Step 4: Simplify right side
    47,318.10x = 1,115,633,314.86
  5. Step 5: Solve for x
    x = 1,115,633,314.86/47,318.10
  6. Step 6: Final answer
    x = 23,577.31

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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.