Home / 117,236.50-161,785.42-63,521.35

Finding the Fourth Proportional to 117,236.50, 161,785.42 and 63,521.35

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Solution

The fourth proportional to 117,236.50, 161,785.42 and 63,521.35 is: 87,658.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,236.50 : 161,785.42 = 63,521.35 : x
  2. Step 2: Convert to fraction form
    117,236.50/161,785.42 = 63,521.35/x
  3. Step 3: Cross multiply
    117,236.50x = 161,785.42 × 63,521.35
  4. Step 4: Simplify right side
    117,236.50x = 10,276,828,288.72
  5. Step 5: Solve for x
    x = 10,276,828,288.72/117,236.50
  6. Step 6: Final answer
    x = 87,658.95

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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.