Home / 103,410.03-155,129.61-36,830.46

Finding the Fourth Proportional to 103,410.03, 155,129.61 and 36,830.46

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Solution

The fourth proportional to 103,410.03, 155,129.61 and 36,830.46 is: 55,250.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,410.03 : 155,129.61 = 36,830.46 : x
  2. Step 2: Convert to fraction form
    103,410.03/155,129.61 = 36,830.46/x
  3. Step 3: Cross multiply
    103,410.03x = 155,129.61 × 36,830.46
  4. Step 4: Simplify right side
    103,410.03x = 5,713,494,895.92
  5. Step 5: Solve for x
    x = 5,713,494,895.92/103,410.03
  6. Step 6: Final answer
    x = 55,250.88

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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.