Home / 107,385.84-161,031.75-44,163.72

Finding the Fourth Proportional to 107,385.84, 161,031.75 and 44,163.72

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Solution

The fourth proportional to 107,385.84, 161,031.75 and 44,163.72 is: 66,226.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,385.84 : 161,031.75 = 44,163.72 : x
  2. Step 2: Convert to fraction form
    107,385.84/161,031.75 = 44,163.72/x
  3. Step 3: Cross multiply
    107,385.84x = 161,031.75 × 44,163.72
  4. Step 4: Simplify right side
    107,385.84x = 7,111,761,118.11
  5. Step 5: Solve for x
    x = 7,111,761,118.11/107,385.84
  6. Step 6: Final answer
    x = 66,226.25

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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.