Home / 72,840.72-100,519.08-41,009.52

Finding the Fourth Proportional to 72,840.72, 100,519.08 and 41,009.52

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Solution

The fourth proportional to 72,840.72, 100,519.08 and 41,009.52 is: 56,592.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,840.72 : 100,519.08 = 41,009.52 : x
  2. Step 2: Convert to fraction form
    72,840.72/100,519.08 = 41,009.52/x
  3. Step 3: Cross multiply
    72,840.72x = 100,519.08 × 41,009.52
  4. Step 4: Simplify right side
    72,840.72x = 4,122,239,221.64
  5. Step 5: Solve for x
    x = 4,122,239,221.64/72,840.72
  6. Step 6: Final answer
    x = 56,592.51

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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.