Home / 47,679.12-65,798.02-26,170.88

Finding the Fourth Proportional to 47,679.12, 65,798.02 and 26,170.88

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Solution

The fourth proportional to 47,679.12, 65,798.02 and 26,170.88 is: 36,116.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,679.12 : 65,798.02 = 26,170.88 : x
  2. Step 2: Convert to fraction form
    47,679.12/65,798.02 = 26,170.88/x
  3. Step 3: Cross multiply
    47,679.12x = 65,798.02 × 26,170.88
  4. Step 4: Simplify right side
    47,679.12x = 1,721,992,085.66
  5. Step 5: Solve for x
    x = 1,721,992,085.66/47,679.12
  6. Step 6: Final answer
    x = 36,116.27

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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.