Home / 102,390.41-153,575.23-27,500.82

Finding the Fourth Proportional to 102,390.41, 153,575.23 and 27,500.82

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Solution

The fourth proportional to 102,390.41, 153,575.23 and 27,500.82 is: 41,248.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,390.41 : 153,575.23 = 27,500.82 : x
  2. Step 2: Convert to fraction form
    102,390.41/153,575.23 = 27,500.82/x
  3. Step 3: Cross multiply
    102,390.41x = 153,575.23 × 27,500.82
  4. Step 4: Simplify right side
    102,390.41x = 4,223,444,756.69
  5. Step 5: Solve for x
    x = 4,223,444,756.69/102,390.41
  6. Step 6: Final answer
    x = 41,248.44

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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.