Home / 104,560.05-156,751.91-45,351.13

Finding the Fourth Proportional to 104,560.05, 156,751.91 and 45,351.13

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Solution

The fourth proportional to 104,560.05, 156,751.91 and 45,351.13 is: 67,988.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,560.05 : 156,751.91 = 45,351.13 : x
  2. Step 2: Convert to fraction form
    104,560.05/156,751.91 = 45,351.13/x
  3. Step 3: Cross multiply
    104,560.05x = 156,751.91 × 45,351.13
  4. Step 4: Simplify right side
    104,560.05x = 7,108,876,361.54
  5. Step 5: Solve for x
    x = 7,108,876,361.54/104,560.05
  6. Step 6: Final answer
    x = 67,988.45

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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.