Home / 117,756.12-162,504.63-64,042.34

Finding the Fourth Proportional to 117,756.12, 162,504.63 and 64,042.34

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Solution

The fourth proportional to 117,756.12, 162,504.63 and 64,042.34 is: 88,379.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,756.12 : 162,504.63 = 64,042.34 : x
  2. Step 2: Convert to fraction form
    117,756.12/162,504.63 = 64,042.34/x
  3. Step 3: Cross multiply
    117,756.12x = 162,504.63 × 64,042.34
  4. Step 4: Simplify right side
    117,756.12x = 10,407,176,766.03
  5. Step 5: Solve for x
    x = 10,407,176,766.03/117,756.12
  6. Step 6: Final answer
    x = 88,379.07

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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.