Home / 72,828.06-100,502.46-40,997.04

Finding the Fourth Proportional to 72,828.06, 100,502.46 and 40,997.04

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Solution

The fourth proportional to 72,828.06, 100,502.46 and 40,997.04 is: 56,575.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,828.06 : 100,502.46 = 40,997.04 : x
  2. Step 2: Convert to fraction form
    72,828.06/100,502.46 = 40,997.04/x
  3. Step 3: Cross multiply
    72,828.06x = 100,502.46 × 40,997.04
  4. Step 4: Simplify right side
    72,828.06x = 4,120,303,372.72
  5. Step 5: Solve for x
    x = 4,120,303,372.72/72,828.06
  6. Step 6: Final answer
    x = 56,575.77

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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.