Home / 52,119.20-78,178.86-36,606.08

Finding the Fourth Proportional to 52,119.20, 78,178.86 and 36,606.08

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Solution

The fourth proportional to 52,119.20, 78,178.86 and 36,606.08 is: 54,909.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,119.20 : 78,178.86 = 36,606.08 : x
  2. Step 2: Convert to fraction form
    52,119.20/78,178.86 = 36,606.08/x
  3. Step 3: Cross multiply
    52,119.20x = 78,178.86 × 36,606.08
  4. Step 4: Simplify right side
    52,119.20x = 2,861,821,212.57
  5. Step 5: Solve for x
    x = 2,861,821,212.57/52,119.20
  6. Step 6: Final answer
    x = 54,909.16

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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.