Home / 72,344.07-108,509.85-22,423.05

Finding the Fourth Proportional to 72,344.07, 108,509.85 and 22,423.05

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Solution

The fourth proportional to 72,344.07, 108,509.85 and 22,423.05 is: 33,632.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,344.07 : 108,509.85 = 22,423.05 : x
  2. Step 2: Convert to fraction form
    72,344.07/108,509.85 = 22,423.05/x
  3. Step 3: Cross multiply
    72,344.07x = 108,509.85 × 22,423.05
  4. Step 4: Simplify right side
    72,344.07x = 2,433,121,792.04
  5. Step 5: Solve for x
    x = 2,433,121,792.04/72,344.07
  6. Step 6: Final answer
    x = 33,632.64

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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.