Home / 117,635.49-162,338.01-63,920.51

Finding the Fourth Proportional to 117,635.49, 162,338.01 and 63,920.51

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Solution

The fourth proportional to 117,635.49, 162,338.01 and 63,920.51 is: 88,210.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,635.49 : 162,338.01 = 63,920.51 : x
  2. Step 2: Convert to fraction form
    117,635.49/162,338.01 = 63,920.51/x
  3. Step 3: Cross multiply
    117,635.49x = 162,338.01 × 63,920.51
  4. Step 4: Simplify right side
    117,635.49x = 10,376,727,825.94
  5. Step 5: Solve for x
    x = 10,376,727,825.94/117,635.49
  6. Step 6: Final answer
    x = 88,210.86

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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.