Home / 107,344.40-160,971.64-40,747.80

Finding the Fourth Proportional to 107,344.40, 160,971.64 and 40,747.80

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Solution

The fourth proportional to 107,344.40, 160,971.64 and 40,747.80 is: 61,104.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,344.40 : 160,971.64 = 40,747.80 : x
  2. Step 2: Convert to fraction form
    107,344.40/160,971.64 = 40,747.80/x
  3. Step 3: Cross multiply
    107,344.40x = 160,971.64 × 40,747.80
  4. Step 4: Simplify right side
    107,344.40x = 6,559,240,192.39
  5. Step 5: Solve for x
    x = 6,559,240,192.39/107,344.40
  6. Step 6: Final answer
    x = 61,104.63

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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.