Home / 117,433.16-162,099.78-69,686.49

Finding the Fourth Proportional to 117,433.16, 162,099.78 and 69,686.49

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Solution

The fourth proportional to 117,433.16, 162,099.78 and 69,686.49 is: 96,192.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,433.16 : 162,099.78 = 69,686.49 : x
  2. Step 2: Convert to fraction form
    117,433.16/162,099.78 = 69,686.49/x
  3. Step 3: Cross multiply
    117,433.16x = 162,099.78 × 69,686.49
  4. Step 4: Simplify right side
    117,433.16x = 11,296,164,697.97
  5. Step 5: Solve for x
    x = 11,296,164,697.97/117,433.16
  6. Step 6: Final answer
    x = 96,192.30

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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.