Home / 107,875.85-161,815.28-41,319.36

Finding the Fourth Proportional to 107,875.85, 161,815.28 and 41,319.36

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Solution

The fourth proportional to 107,875.85, 161,815.28 and 41,319.36 is: 61,979.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,875.85 : 161,815.28 = 41,319.36 : x
  2. Step 2: Convert to fraction form
    107,875.85/161,815.28 = 41,319.36/x
  3. Step 3: Cross multiply
    107,875.85x = 161,815.28 × 41,319.36
  4. Step 4: Simplify right side
    107,875.85x = 6,686,103,601.22
  5. Step 5: Solve for x
    x = 6,686,103,601.22/107,875.85
  6. Step 6: Final answer
    x = 61,979.62

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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.