Home / 111,273.08-153,548.40-63,519.96

Finding the Fourth Proportional to 111,273.08, 153,548.40 and 63,519.96

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Solution

The fourth proportional to 111,273.08, 153,548.40 and 63,519.96 is: 87,652.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,273.08 : 153,548.40 = 63,519.96 : x
  2. Step 2: Convert to fraction form
    111,273.08/153,548.40 = 63,519.96/x
  3. Step 3: Cross multiply
    111,273.08x = 153,548.40 × 63,519.96
  4. Step 4: Simplify right side
    111,273.08x = 9,753,388,226.06
  5. Step 5: Solve for x
    x = 9,753,388,226.06/111,273.08
  6. Step 6: Final answer
    x = 87,652.72

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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.