Home / 117,949.80-162,784.17-70,203.30

Finding the Fourth Proportional to 117,949.80, 162,784.17 and 70,203.30

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Solution

The fourth proportional to 117,949.80, 162,784.17 and 70,203.30 is: 96,888.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,949.80 : 162,784.17 = 70,203.30 : x
  2. Step 2: Convert to fraction form
    117,949.80/162,784.17 = 70,203.30/x
  3. Step 3: Cross multiply
    117,949.80x = 162,784.17 × 70,203.30
  4. Step 4: Simplify right side
    117,949.80x = 11,427,985,921.76
  5. Step 5: Solve for x
    x = 11,427,985,921.76/117,949.80
  6. Step 6: Final answer
    x = 96,888.56

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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.