Home / 107,377.20-161,051.09-59,434.49

Finding the Fourth Proportional to 107,377.20, 161,051.09 and 59,434.49

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Solution

The fourth proportional to 107,377.20, 161,051.09 and 59,434.49 is: 89,143.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,377.20 : 161,051.09 = 59,434.49 : x
  2. Step 2: Convert to fraction form
    107,377.20/161,051.09 = 59,434.49/x
  3. Step 3: Cross multiply
    107,377.20x = 161,051.09 × 59,434.49
  4. Step 4: Simplify right side
    107,377.20x = 9,571,988,295.67
  5. Step 5: Solve for x
    x = 9,571,988,295.67/107,377.20
  6. Step 6: Final answer
    x = 89,143.58

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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.