Home / 101,244.23-139,711.33-63,002.61

Finding the Fourth Proportional to 101,244.23, 139,711.33 and 63,002.61

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Solution

The fourth proportional to 101,244.23, 139,711.33 and 63,002.61 is: 86,940.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,244.23 : 139,711.33 = 63,002.61 : x
  2. Step 2: Convert to fraction form
    101,244.23/139,711.33 = 63,002.61/x
  3. Step 3: Cross multiply
    101,244.23x = 139,711.33 × 63,002.61
  4. Step 4: Simplify right side
    101,244.23x = 8,802,178,515.32
  5. Step 5: Solve for x
    x = 8,802,178,515.32/101,244.23
  6. Step 6: Final answer
    x = 86,940.05

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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.