Home / 117,757.32-162,503.53-64,041.18

Finding the Fourth Proportional to 117,757.32, 162,503.53 and 64,041.18

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Solution

The fourth proportional to 117,757.32, 162,503.53 and 64,041.18 is: 88,375.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,757.32 : 162,503.53 = 64,041.18 : x
  2. Step 2: Convert to fraction form
    117,757.32/162,503.53 = 64,041.18/x
  3. Step 3: Cross multiply
    117,757.32x = 162,503.53 × 64,041.18
  4. Step 4: Simplify right side
    117,757.32x = 10,406,917,815.37
  5. Step 5: Solve for x
    x = 10,406,917,815.37/117,757.32
  6. Step 6: Final answer
    x = 88,375.97

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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.