Home / 117,712.77-162,446.81-64,001.49

Finding the Fourth Proportional to 117,712.77, 162,446.81 and 64,001.49

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Solution

The fourth proportional to 117,712.77, 162,446.81 and 64,001.49 is: 88,323.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,712.77 : 162,446.81 = 64,001.49 : x
  2. Step 2: Convert to fraction form
    117,712.77/162,446.81 = 64,001.49/x
  3. Step 3: Cross multiply
    117,712.77x = 162,446.81 × 64,001.49
  4. Step 4: Simplify right side
    117,712.77x = 10,396,837,565.74
  5. Step 5: Solve for x
    x = 10,396,837,565.74/117,712.77
  6. Step 6: Final answer
    x = 88,323.79

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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.