Home / 117,900.43-162,677.36-70,144.45

Finding the Fourth Proportional to 117,900.43, 162,677.36 and 70,144.45

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Solution

The fourth proportional to 117,900.43, 162,677.36 and 70,144.45 is: 96,784.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,900.43 : 162,677.36 = 70,144.45 : x
  2. Step 2: Convert to fraction form
    117,900.43/162,677.36 = 70,144.45/x
  3. Step 3: Cross multiply
    117,900.43x = 162,677.36 × 70,144.45
  4. Step 4: Simplify right side
    117,900.43x = 11,410,913,713.32
  5. Step 5: Solve for x
    x = 11,410,913,713.32/117,900.43
  6. Step 6: Final answer
    x = 96,784.33

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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.