Home / 67,169.16-100,688.13-25,018.38

Finding the Fourth Proportional to 67,169.16, 100,688.13 and 25,018.38

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Solution

The fourth proportional to 67,169.16, 100,688.13 and 25,018.38 is: 37,503.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,169.16 : 100,688.13 = 25,018.38 : x
  2. Step 2: Convert to fraction form
    67,169.16/100,688.13 = 25,018.38/x
  3. Step 3: Cross multiply
    67,169.16x = 100,688.13 × 25,018.38
  4. Step 4: Simplify right side
    67,169.16x = 2,519,053,897.83
  5. Step 5: Solve for x
    x = 2,519,053,897.83/67,169.16
  6. Step 6: Final answer
    x = 37,503.13

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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.