Home / 102,611.14-153,944.07-32,491.78

Finding the Fourth Proportional to 102,611.14, 153,944.07 and 32,491.78

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Solution

The fourth proportional to 102,611.14, 153,944.07 and 32,491.78 is: 48,746.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,611.14 : 153,944.07 = 32,491.78 : x
  2. Step 2: Convert to fraction form
    102,611.14/153,944.07 = 32,491.78/x
  3. Step 3: Cross multiply
    102,611.14x = 153,944.07 × 32,491.78
  4. Step 4: Simplify right side
    102,611.14x = 5,001,916,854.74
  5. Step 5: Solve for x
    x = 5,001,916,854.74/102,611.14
  6. Step 6: Final answer
    x = 48,746.33

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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.