Home / 117,964.90-162,792.66-64,250.20

Finding the Fourth Proportional to 117,964.90, 162,792.66 and 64,250.20

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Solution

The fourth proportional to 117,964.90, 162,792.66 and 64,250.20 is: 88,665.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,964.90 : 162,792.66 = 64,250.20 : x
  2. Step 2: Convert to fraction form
    117,964.90/162,792.66 = 64,250.20/x
  3. Step 3: Cross multiply
    117,964.90x = 162,792.66 × 64,250.20
  4. Step 4: Simplify right side
    117,964.90x = 10,459,460,963.53
  5. Step 5: Solve for x
    x = 10,459,460,963.53/117,964.90
  6. Step 6: Final answer
    x = 88,665.87

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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.