Home / 117,479.37-162,082.93-66,487.04

Finding the Fourth Proportional to 117,479.37, 162,082.93 and 66,487.04

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Solution

The fourth proportional to 117,479.37, 162,082.93 and 66,487.04 is: 91,730.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,479.37 : 162,082.93 = 66,487.04 : x
  2. Step 2: Convert to fraction form
    117,479.37/162,082.93 = 66,487.04/x
  3. Step 3: Cross multiply
    117,479.37x = 162,082.93 × 66,487.04
  4. Step 4: Simplify right side
    117,479.37x = 10,776,413,107.38
  5. Step 5: Solve for x
    x = 10,776,413,107.38/117,479.37
  6. Step 6: Final answer
    x = 91,730.26

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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.