Home / 47,585.56-65,739.17-31,271.35

Finding the Fourth Proportional to 47,585.56, 65,739.17 and 31,271.35

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Solution

The fourth proportional to 47,585.56, 65,739.17 and 31,271.35 is: 43,201.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,585.56 : 65,739.17 = 31,271.35 : x
  2. Step 2: Convert to fraction form
    47,585.56/65,739.17 = 31,271.35/x
  3. Step 3: Cross multiply
    47,585.56x = 65,739.17 × 31,271.35
  4. Step 4: Simplify right side
    47,585.56x = 2,055,752,108.73
  5. Step 5: Solve for x
    x = 2,055,752,108.73/47,585.56
  6. Step 6: Final answer
    x = 43,201.18

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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.