Home / 74,327.04-111,491.28-18,923.04

Finding the Fourth Proportional to 74,327.04, 111,491.28 and 18,923.04

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Solution

The fourth proportional to 74,327.04, 111,491.28 and 18,923.04 is: 28,384.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,327.04 : 111,491.28 = 18,923.04 : x
  2. Step 2: Convert to fraction form
    74,327.04/111,491.28 = 18,923.04/x
  3. Step 3: Cross multiply
    74,327.04x = 111,491.28 × 18,923.04
  4. Step 4: Simplify right side
    74,327.04x = 2,109,753,951.09
  5. Step 5: Solve for x
    x = 2,109,753,951.09/74,327.04
  6. Step 6: Final answer
    x = 28,384.74

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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.