Home / 113,577.13-156,739.68-63,279.37

Finding the Fourth Proportional to 113,577.13, 156,739.68 and 63,279.37

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Solution

The fourth proportional to 113,577.13, 156,739.68 and 63,279.37 is: 87,327.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,577.13 : 156,739.68 = 63,279.37 : x
  2. Step 2: Convert to fraction form
    113,577.13/156,739.68 = 63,279.37/x
  3. Step 3: Cross multiply
    113,577.13x = 156,739.68 × 63,279.37
  4. Step 4: Simplify right side
    113,577.13x = 9,918,388,204.40
  5. Step 5: Solve for x
    x = 9,918,388,204.40/113,577.13
  6. Step 6: Final answer
    x = 87,327.34

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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.