Home / 117,927.16-162,737.37-64,211.20

Finding the Fourth Proportional to 117,927.16, 162,737.37 and 64,211.20

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Solution

The fourth proportional to 117,927.16, 162,737.37 and 64,211.20 is: 88,610.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,927.16 : 162,737.37 = 64,211.20 : x
  2. Step 2: Convert to fraction form
    117,927.16/162,737.37 = 64,211.20/x
  3. Step 3: Cross multiply
    117,927.16x = 162,737.37 × 64,211.20
  4. Step 4: Simplify right side
    117,927.16x = 10,449,561,405.70
  5. Step 5: Solve for x
    x = 10,449,561,405.70/117,927.16
  6. Step 6: Final answer
    x = 88,610.31

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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.