Home / 74,527.92-111,838.08-30,155.04

Finding the Fourth Proportional to 74,527.92, 111,838.08 and 30,155.04

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Solution

The fourth proportional to 74,527.92, 111,838.08 and 30,155.04 is: 45,251.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,527.92 : 111,838.08 = 30,155.04 : x
  2. Step 2: Convert to fraction form
    74,527.92/111,838.08 = 30,155.04/x
  3. Step 3: Cross multiply
    74,527.92x = 111,838.08 × 30,155.04
  4. Step 4: Simplify right side
    74,527.92x = 3,372,481,775.92
  5. Step 5: Solve for x
    x = 3,372,481,775.92/74,527.92
  6. Step 6: Final answer
    x = 45,251.25

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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.