Home / 100,897.25-139,234.95-60,061.23

Finding the Fourth Proportional to 100,897.25, 139,234.95 and 60,061.23

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Solution

The fourth proportional to 100,897.25, 139,234.95 and 60,061.23 is: 82,882.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,897.25 : 139,234.95 = 60,061.23 : x
  2. Step 2: Convert to fraction form
    100,897.25/139,234.95 = 60,061.23/x
  3. Step 3: Cross multiply
    100,897.25x = 139,234.95 × 60,061.23
  4. Step 4: Simplify right side
    100,897.25x = 8,362,622,355.99
  5. Step 5: Solve for x
    x = 8,362,622,355.99/100,897.25
  6. Step 6: Final answer
    x = 82,882.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.