Home / 107,772.32-161,718.02-41,221.92

Finding the Fourth Proportional to 107,772.32, 161,718.02 and 41,221.92

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Solution

The fourth proportional to 107,772.32, 161,718.02 and 41,221.92 is: 61,855.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,772.32 : 161,718.02 = 41,221.92 : x
  2. Step 2: Convert to fraction form
    107,772.32/161,718.02 = 41,221.92/x
  3. Step 3: Cross multiply
    107,772.32x = 161,718.02 × 41,221.92
  4. Step 4: Simplify right side
    107,772.32x = 6,666,327,283.00
  5. Step 5: Solve for x
    x = 6,666,327,283.00/107,772.32
  6. Step 6: Final answer
    x = 61,855.65

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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.