Home / 97,731.82-134,858.51-54,713.66

Finding the Fourth Proportional to 97,731.82, 134,858.51 and 54,713.66

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Solution

The fourth proportional to 97,731.82, 134,858.51 and 54,713.66 is: 75,498.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,731.82 : 134,858.51 = 54,713.66 : x
  2. Step 2: Convert to fraction form
    97,731.82/134,858.51 = 54,713.66/x
  3. Step 3: Cross multiply
    97,731.82x = 134,858.51 × 54,713.66
  4. Step 4: Simplify right side
    97,731.82x = 7,378,602,664.25
  5. Step 5: Solve for x
    x = 7,378,602,664.25/97,731.82
  6. Step 6: Final answer
    x = 75,498.47

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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.