Home / 117,920.48-162,726.57-64,205.15

Finding the Fourth Proportional to 117,920.48, 162,726.57 and 64,205.15

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Solution

The fourth proportional to 117,920.48, 162,726.57 and 64,205.15 is: 88,601.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,920.48 : 162,726.57 = 64,205.15 : x
  2. Step 2: Convert to fraction form
    117,920.48/162,726.57 = 64,205.15/x
  3. Step 3: Cross multiply
    117,920.48x = 162,726.57 × 64,205.15
  4. Step 4: Simplify right side
    117,920.48x = 10,447,883,022.20
  5. Step 5: Solve for x
    x = 10,447,883,022.20/117,920.48
  6. Step 6: Final answer
    x = 88,601.09

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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.