Home / 117,814.12-162,594.32-66,843.45

Finding the Fourth Proportional to 117,814.12, 162,594.32 and 66,843.45

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Solution

The fourth proportional to 117,814.12, 162,594.32 and 66,843.45 is: 92,250.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,814.12 : 162,594.32 = 66,843.45 : x
  2. Step 2: Convert to fraction form
    117,814.12/162,594.32 = 66,843.45/x
  3. Step 3: Cross multiply
    117,814.12x = 162,594.32 × 66,843.45
  4. Step 4: Simplify right side
    117,814.12x = 10,868,364,964.99
  5. Step 5: Solve for x
    x = 10,868,364,964.99/117,814.12
  6. Step 6: Final answer
    x = 92,250.11

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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.