Home / 103,690.05-155,496.20-44,495.25

Finding the Fourth Proportional to 103,690.05, 155,496.20 and 44,495.25

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Solution

The fourth proportional to 103,690.05, 155,496.20 and 44,495.25 is: 66,726.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,690.05 : 155,496.20 = 44,495.25 : x
  2. Step 2: Convert to fraction form
    103,690.05/155,496.20 = 44,495.25/x
  3. Step 3: Cross multiply
    103,690.05x = 155,496.20 × 44,495.25
  4. Step 4: Simplify right side
    103,690.05x = 6,918,842,070.57
  5. Step 5: Solve for x
    x = 6,918,842,070.57/103,690.05
  6. Step 6: Final answer
    x = 66,726.19

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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.