Home / 98,996.22-136,622.03-56,553.84

Finding the Fourth Proportional to 98,996.22, 136,622.03 and 56,553.84

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Solution

The fourth proportional to 98,996.22, 136,622.03 and 56,553.84 is: 78,048.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,996.22 : 136,622.03 = 56,553.84 : x
  2. Step 2: Convert to fraction form
    98,996.22/136,622.03 = 56,553.84/x
  3. Step 3: Cross multiply
    98,996.22x = 136,622.03 × 56,553.84
  4. Step 4: Simplify right side
    98,996.22x = 7,726,500,142.33
  5. Step 5: Solve for x
    x = 7,726,500,142.33/98,996.22
  6. Step 6: Final answer
    x = 78,048.44

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1.5x scale

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.