Home / 72,440.34-108,633.90-25,043.28

Finding the Fourth Proportional to 72,440.34, 108,633.90 and 25,043.28

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Solution

The fourth proportional to 72,440.34, 108,633.90 and 25,043.28 is: 37,555.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,440.34 : 108,633.90 = 25,043.28 : x
  2. Step 2: Convert to fraction form
    72,440.34/108,633.90 = 25,043.28/x
  3. Step 3: Cross multiply
    72,440.34x = 108,633.90 × 25,043.28
  4. Step 4: Simplify right side
    72,440.34x = 2,720,549,175.19
  5. Step 5: Solve for x
    x = 2,720,549,175.19/72,440.34
  6. Step 6: Final answer
    x = 37,555.72

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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.