Home / 123,934.83-171,029.60-70,230.11

Finding the Fourth Proportional to 123,934.83, 171,029.60 and 70,230.11

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Solution

The fourth proportional to 123,934.83, 171,029.60 and 70,230.11 is: 96,917.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,934.83 : 171,029.60 = 70,230.11 : x
  2. Step 2: Convert to fraction form
    123,934.83/171,029.60 = 70,230.11/x
  3. Step 3: Cross multiply
    123,934.83x = 171,029.60 × 70,230.11
  4. Step 4: Simplify right side
    123,934.83x = 12,011,427,621.26
  5. Step 5: Solve for x
    x = 12,011,427,621.26/123,934.83
  6. Step 6: Final answer
    x = 96,917.29

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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.