Home / 101,853.18-140,550.86-56,531.22

Finding the Fourth Proportional to 101,853.18, 140,550.86 and 56,531.22

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Solution

The fourth proportional to 101,853.18, 140,550.86 and 56,531.22 is: 78,009.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,853.18 : 140,550.86 = 56,531.22 : x
  2. Step 2: Convert to fraction form
    101,853.18/140,550.86 = 56,531.22/x
  3. Step 3: Cross multiply
    101,853.18x = 140,550.86 × 56,531.22
  4. Step 4: Simplify right side
    101,853.18x = 7,945,511,202.11
  5. Step 5: Solve for x
    x = 7,945,511,202.11/101,853.18
  6. Step 6: Final answer
    x = 78,009.46

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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.