Home / 103,634.60-155,490.30-41,349.80

Finding the Fourth Proportional to 103,634.60, 155,490.30 and 41,349.80

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Solution

The fourth proportional to 103,634.60, 155,490.30 and 41,349.80 is: 62,040.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,634.60 : 155,490.30 = 41,349.80 : x
  2. Step 2: Convert to fraction form
    103,634.60/155,490.30 = 41,349.80/x
  3. Step 3: Cross multiply
    103,634.60x = 155,490.30 × 41,349.80
  4. Step 4: Simplify right side
    103,634.60x = 6,429,492,806.94
  5. Step 5: Solve for x
    x = 6,429,492,806.94/103,634.60
  6. Step 6: Final answer
    x = 62,040.02

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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.