Home / 47,921.88-66,132.64-26,412.39

Finding the Fourth Proportional to 47,921.88, 66,132.64 and 26,412.39

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Solution

The fourth proportional to 47,921.88, 66,132.64 and 26,412.39 is: 36,449.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,921.88 : 66,132.64 = 26,412.39 : x
  2. Step 2: Convert to fraction form
    47,921.88/66,132.64 = 26,412.39/x
  3. Step 3: Cross multiply
    47,921.88x = 66,132.64 × 26,412.39
  4. Step 4: Simplify right side
    47,921.88x = 1,746,721,079.41
  5. Step 5: Solve for x
    x = 1,746,721,079.41/47,921.88
  6. Step 6: Final answer
    x = 36,449.34

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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.