Home / 103,969.10-155,952.21-25,082.66

Finding the Fourth Proportional to 103,969.10, 155,952.21 and 25,082.66

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Solution

The fourth proportional to 103,969.10, 155,952.21 and 25,082.66 is: 37,623.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,969.10 : 155,952.21 = 25,082.66 : x
  2. Step 2: Convert to fraction form
    103,969.10/155,952.21 = 25,082.66/x
  3. Step 3: Cross multiply
    103,969.10x = 155,952.21 × 25,082.66
  4. Step 4: Simplify right side
    103,969.10x = 3,911,696,259.68
  5. Step 5: Solve for x
    x = 3,911,696,259.68/103,969.10
  6. Step 6: Final answer
    x = 37,623.64

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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.