Home / 105,917.06-158,875.45-27,031.29

Finding the Fourth Proportional to 105,917.06, 158,875.45 and 27,031.29

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Solution

The fourth proportional to 105,917.06, 158,875.45 and 27,031.29 is: 40,546.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,917.06 : 158,875.45 = 27,031.29 : x
  2. Step 2: Convert to fraction form
    105,917.06/158,875.45 = 27,031.29/x
  3. Step 3: Cross multiply
    105,917.06x = 158,875.45 × 27,031.29
  4. Step 4: Simplify right side
    105,917.06x = 4,294,607,699.47
  5. Step 5: Solve for x
    x = 4,294,607,699.47/105,917.06
  6. Step 6: Final answer
    x = 40,546.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.