Home / 47,747.16-65,845.26-31,607.10

Finding the Fourth Proportional to 47,747.16, 65,845.26 and 31,607.10

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Solution

The fourth proportional to 47,747.16, 65,845.26 and 31,607.10 is: 43,587.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,747.16 : 65,845.26 = 31,607.10 : x
  2. Step 2: Convert to fraction form
    47,747.16/65,845.26 = 31,607.10/x
  3. Step 3: Cross multiply
    47,747.16x = 65,845.26 × 31,607.10
  4. Step 4: Simplify right side
    47,747.16x = 2,081,177,717.35
  5. Step 5: Solve for x
    x = 2,081,177,717.35/47,747.16
  6. Step 6: Final answer
    x = 43,587.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.