Home / 92,940.21-139,409.10-22,820.13

Finding the Fourth Proportional to 92,940.21, 139,409.10 and 22,820.13

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Solution

The fourth proportional to 92,940.21, 139,409.10 and 22,820.13 is: 34,229.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,940.21 : 139,409.10 = 22,820.13 : x
  2. Step 2: Convert to fraction form
    92,940.21/139,409.10 = 22,820.13/x
  3. Step 3: Cross multiply
    92,940.21x = 139,409.10 × 22,820.13
  4. Step 4: Simplify right side
    92,940.21x = 3,181,333,785.18
  5. Step 5: Solve for x
    x = 3,181,333,785.18/92,940.21
  6. Step 6: Final answer
    x = 34,229.90

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1.5x scale

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.