Home / 74,251.20-111,389.28-36,813.12

Finding the Fourth Proportional to 74,251.20, 111,389.28 and 36,813.12

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Solution

The fourth proportional to 74,251.20, 111,389.28 and 36,813.12 is: 55,225.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,251.20 : 111,389.28 = 36,813.12 : x
  2. Step 2: Convert to fraction form
    74,251.20/111,389.28 = 36,813.12/x
  3. Step 3: Cross multiply
    74,251.20x = 111,389.28 × 36,813.12
  4. Step 4: Simplify right side
    74,251.20x = 4,100,586,931.35
  5. Step 5: Solve for x
    x = 4,100,586,931.35/74,251.20
  6. Step 6: Final answer
    x = 55,225.87

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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.