Home / 113,776.49-157,010.46-62,789.69

Finding the Fourth Proportional to 113,776.49, 157,010.46 and 62,789.69

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Solution

The fourth proportional to 113,776.49, 157,010.46 and 62,789.69 is: 86,649.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,776.49 : 157,010.46 = 62,789.69 : x
  2. Step 2: Convert to fraction form
    113,776.49/157,010.46 = 62,789.69/x
  3. Step 3: Cross multiply
    113,776.49x = 157,010.46 × 62,789.69
  4. Step 4: Simplify right side
    113,776.49x = 9,858,638,110.16
  5. Step 5: Solve for x
    x = 9,858,638,110.16/113,776.49
  6. Step 6: Final answer
    x = 86,649.17

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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.