Home / 85,864.44-118,425.96-51,837.36

Finding the Fourth Proportional to 85,864.44, 118,425.96 and 51,837.36

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Solution

The fourth proportional to 85,864.44, 118,425.96 and 51,837.36 is: 71,495.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,864.44 : 118,425.96 = 51,837.36 : x
  2. Step 2: Convert to fraction form
    85,864.44/118,425.96 = 51,837.36/x
  3. Step 3: Cross multiply
    85,864.44x = 118,425.96 × 51,837.36
  4. Step 4: Simplify right side
    85,864.44x = 6,138,889,121.87
  5. Step 5: Solve for x
    x = 6,138,889,121.87/85,864.44
  6. Step 6: Final answer
    x = 71,495.13

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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.