Home / 117,787.58-162,557.41-69,389.96

Finding the Fourth Proportional to 117,787.58, 162,557.41 and 69,389.96

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Solution

The fourth proportional to 117,787.58, 162,557.41 and 69,389.96 is: 95,764.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,787.58 : 162,557.41 = 69,389.96 : x
  2. Step 2: Convert to fraction form
    117,787.58/162,557.41 = 69,389.96/x
  3. Step 3: Cross multiply
    117,787.58x = 162,557.41 × 69,389.96
  4. Step 4: Simplify right side
    117,787.58x = 11,279,851,191.34
  5. Step 5: Solve for x
    x = 11,279,851,191.34/117,787.58
  6. Step 6: Final answer
    x = 95,764.35

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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.