Home / 101,850.07-140,550.98-56,525.42

Finding the Fourth Proportional to 101,850.07, 140,550.98 and 56,525.42

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Solution

The fourth proportional to 101,850.07, 140,550.98 and 56,525.42 is: 78,003.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,850.07 : 140,550.98 = 56,525.42 : x
  2. Step 2: Convert to fraction form
    101,850.07/140,550.98 = 56,525.42/x
  3. Step 3: Cross multiply
    101,850.07x = 140,550.98 × 56,525.42
  4. Step 4: Simplify right side
    101,850.07x = 7,944,703,175.91
  5. Step 5: Solve for x
    x = 7,944,703,175.91/101,850.07
  6. Step 6: Final answer
    x = 78,003.90

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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.