Home / 113,814.78-157,073.09-62,837.33

Finding the Fourth Proportional to 113,814.78, 157,073.09 and 62,837.33

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Solution

The fourth proportional to 113,814.78, 157,073.09 and 62,837.33 is: 86,720.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,814.78 : 157,073.09 = 62,837.33 : x
  2. Step 2: Convert to fraction form
    113,814.78/157,073.09 = 62,837.33/x
  3. Step 3: Cross multiply
    113,814.78x = 157,073.09 × 62,837.33
  4. Step 4: Simplify right side
    113,814.78x = 9,870,052,490.90
  5. Step 5: Solve for x
    x = 9,870,052,490.90/113,814.78
  6. Step 6: Final answer
    x = 86,720.31

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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.