Home / 117,815.64-162,523.62-70,035

Finding the Fourth Proportional to 117,815.64, 162,523.62 and 70,035

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Solution

The fourth proportional to 117,815.64, 162,523.62 and 70,035 is: 96,611.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,815.64 : 162,523.62 = 70,035 : x
  2. Step 2: Convert to fraction form
    117,815.64/162,523.62 = 70,035/x
  3. Step 3: Cross multiply
    117,815.64x = 162,523.62 × 70,035
  4. Step 4: Simplify right side
    117,815.64x = 11,382,341,726.70
  5. Step 5: Solve for x
    x = 11,382,341,726.70/117,815.64
  6. Step 6: Final answer
    x = 96,611.47

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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.