Home / 72,337.25-108,504.76-19,746.58

Finding the Fourth Proportional to 72,337.25, 108,504.76 and 19,746.58

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Solution

The fourth proportional to 72,337.25, 108,504.76 and 19,746.58 is: 29,619.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,337.25 : 108,504.76 = 19,746.58 : x
  2. Step 2: Convert to fraction form
    72,337.25/108,504.76 = 19,746.58/x
  3. Step 3: Cross multiply
    72,337.25x = 108,504.76 × 19,746.58
  4. Step 4: Simplify right side
    72,337.25x = 2,142,597,923.72
  5. Step 5: Solve for x
    x = 2,142,597,923.72/72,337.25
  6. Step 6: Final answer
    x = 29,619.57

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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.