Home / 103,523.10-155,248.20-36,965.40

Finding the Fourth Proportional to 103,523.10, 155,248.20 and 36,965.40

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Solution

The fourth proportional to 103,523.10, 155,248.20 and 36,965.40 is: 55,435.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,523.10 : 155,248.20 = 36,965.40 : x
  2. Step 2: Convert to fraction form
    103,523.10/155,248.20 = 36,965.40/x
  3. Step 3: Cross multiply
    103,523.10x = 155,248.20 × 36,965.40
  4. Step 4: Simplify right side
    103,523.10x = 5,738,811,812.28
  5. Step 5: Solve for x
    x = 5,738,811,812.28/103,523.10
  6. Step 6: Final answer
    x = 55,435.08

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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.