Home / 72,725.18-109,089.18-22,804.20

Finding the Fourth Proportional to 72,725.18, 109,089.18 and 22,804.20

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Solution

The fourth proportional to 72,725.18, 109,089.18 and 22,804.20 is: 34,206.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,725.18 : 109,089.18 = 22,804.20 : x
  2. Step 2: Convert to fraction form
    72,725.18/109,089.18 = 22,804.20/x
  3. Step 3: Cross multiply
    72,725.18x = 109,089.18 × 22,804.20
  4. Step 4: Simplify right side
    72,725.18x = 2,487,691,478.56
  5. Step 5: Solve for x
    x = 2,487,691,478.56/72,725.18
  6. Step 6: Final answer
    x = 34,206.74

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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.