Home / 92,979.21-139,467.60-22,859.13

Finding the Fourth Proportional to 92,979.21, 139,467.60 and 22,859.13

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Solution

The fourth proportional to 92,979.21, 139,467.60 and 22,859.13 is: 34,288.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,979.21 : 139,467.60 = 22,859.13 : x
  2. Step 2: Convert to fraction form
    92,979.21/139,467.60 = 22,859.13/x
  3. Step 3: Cross multiply
    92,979.21x = 139,467.60 × 22,859.13
  4. Step 4: Simplify right side
    92,979.21x = 3,188,107,999.19
  5. Step 5: Solve for x
    x = 3,188,107,999.19/92,979.21
  6. Step 6: Final answer
    x = 34,288.40

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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.