Home / 103,625.36-155,369.09-40,451.30

Finding the Fourth Proportional to 103,625.36, 155,369.09 and 40,451.30

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Solution

The fourth proportional to 103,625.36, 155,369.09 and 40,451.30 is: 60,650.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,625.36 : 155,369.09 = 40,451.30 : x
  2. Step 2: Convert to fraction form
    103,625.36/155,369.09 = 40,451.30/x
  3. Step 3: Cross multiply
    103,625.36x = 155,369.09 × 40,451.30
  4. Step 4: Simplify right side
    103,625.36x = 6,284,881,605.68
  5. Step 5: Solve for x
    x = 6,284,881,605.68/103,625.36
  6. Step 6: Final answer
    x = 60,650.04

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1.5x scale

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.