Home / 117,909.13-162,714.36-64,194.37

Finding the Fourth Proportional to 117,909.13, 162,714.36 and 64,194.37

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Solution

The fourth proportional to 117,909.13, 162,714.36 and 64,194.37 is: 88,588.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,909.13 : 162,714.36 = 64,194.37 : x
  2. Step 2: Convert to fraction form
    117,909.13/162,714.36 = 64,194.37/x
  3. Step 3: Cross multiply
    117,909.13x = 162,714.36 × 64,194.37
  4. Step 4: Simplify right side
    117,909.13x = 10,445,345,830.15
  5. Step 5: Solve for x
    x = 10,445,345,830.15/117,909.13
  6. Step 6: Final answer
    x = 88,588.10

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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.