Home / 117,368.54-162,031.39-91,820.64

Finding the Fourth Proportional to 117,368.54, 162,031.39 and 91,820.64

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Solution

The fourth proportional to 117,368.54, 162,031.39 and 91,820.64 is: 126,761.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,368.54 : 162,031.39 = 91,820.64 : x
  2. Step 2: Convert to fraction form
    117,368.54/162,031.39 = 91,820.64/x
  3. Step 3: Cross multiply
    117,368.54x = 162,031.39 × 91,820.64
  4. Step 4: Simplify right side
    117,368.54x = 14,877,825,396.53
  5. Step 5: Solve for x
    x = 14,877,825,396.53/117,368.54
  6. Step 6: Final answer
    x = 126,761.61

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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.