Home / 47,587.06-65,741.24-31,272.85

Finding the Fourth Proportional to 47,587.06, 65,741.24 and 31,272.85

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Solution

The fourth proportional to 47,587.06, 65,741.24 and 31,272.85 is: 43,203.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,587.06 : 65,741.24 = 31,272.85 : x
  2. Step 2: Convert to fraction form
    47,587.06/65,741.24 = 31,272.85/x
  3. Step 3: Cross multiply
    47,587.06x = 65,741.24 × 31,272.85
  4. Step 4: Simplify right side
    47,587.06x = 2,055,915,937.33
  5. Step 5: Solve for x
    x = 2,055,915,937.33/47,587.06
  6. Step 6: Final answer
    x = 43,203.26

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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.