Home / 112,501.31-155,251.94-61,514.26

Finding the Fourth Proportional to 112,501.31, 155,251.94 and 61,514.26

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Solution

The fourth proportional to 112,501.31, 155,251.94 and 61,514.26 is: 84,889.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,501.31 : 155,251.94 = 61,514.26 : x
  2. Step 2: Convert to fraction form
    112,501.31/155,251.94 = 61,514.26/x
  3. Step 3: Cross multiply
    112,501.31x = 155,251.94 × 61,514.26
  4. Step 4: Simplify right side
    112,501.31x = 9,550,208,202.66
  5. Step 5: Solve for x
    x = 9,550,208,202.66/112,501.31
  6. Step 6: Final answer
    x = 84,889.75

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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.