Home / 103,615.13-155,422.70-41,329.37

Finding the Fourth Proportional to 103,615.13, 155,422.70 and 41,329.37

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Solution

The fourth proportional to 103,615.13, 155,422.70 and 41,329.37 is: 61,994.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,615.13 : 155,422.70 = 41,329.37 : x
  2. Step 2: Convert to fraction form
    103,615.13/155,422.70 = 41,329.37/x
  3. Step 3: Cross multiply
    103,615.13x = 155,422.70 × 41,329.37
  4. Step 4: Simplify right side
    103,615.13x = 6,423,522,274.70
  5. Step 5: Solve for x
    x = 6,423,522,274.70/103,615.13
  6. Step 6: Final answer
    x = 61,994.06

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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.