Home / 107,830.40-161,737.76-36,747.14

Finding the Fourth Proportional to 107,830.40, 161,737.76 and 36,747.14

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Solution

The fourth proportional to 107,830.40, 161,737.76 and 36,747.14 is: 55,118.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,830.40 : 161,737.76 = 36,747.14 : x
  2. Step 2: Convert to fraction form
    107,830.40/161,737.76 = 36,747.14/x
  3. Step 3: Cross multiply
    107,830.40x = 161,737.76 × 36,747.14
  4. Step 4: Simplify right side
    107,830.40x = 5,943,399,393.19
  5. Step 5: Solve for x
    x = 5,943,399,393.19/107,830.40
  6. Step 6: Final answer
    x = 55,118.03

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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.