Home / 101,857.08-152,629.34-42,660.36

Finding the Fourth Proportional to 101,857.08, 152,629.34 and 42,660.36

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Solution

The fourth proportional to 101,857.08, 152,629.34 and 42,660.36 is: 63,925.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,857.08 : 152,629.34 = 42,660.36 : x
  2. Step 2: Convert to fraction form
    101,857.08/152,629.34 = 42,660.36/x
  3. Step 3: Cross multiply
    101,857.08x = 152,629.34 × 42,660.36
  4. Step 4: Simplify right side
    101,857.08x = 6,511,222,590.96
  5. Step 5: Solve for x
    x = 6,511,222,590.96/101,857.08
  6. Step 6: Final answer
    x = 63,925.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.