Home / 72,837.12-100,505.28-41,001.60

Finding the Fourth Proportional to 72,837.12, 100,505.28 and 41,001.60

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Solution

The fourth proportional to 72,837.12, 100,505.28 and 41,001.60 is: 56,576.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,837.12 : 100,505.28 = 41,001.60 : x
  2. Step 2: Convert to fraction form
    72,837.12/100,505.28 = 41,001.60/x
  3. Step 3: Cross multiply
    72,837.12x = 100,505.28 × 41,001.60
  4. Step 4: Simplify right side
    72,837.12x = 4,120,877,288.45
  5. Step 5: Solve for x
    x = 4,120,877,288.45/72,837.12
  6. Step 6: Final answer
    x = 56,576.61

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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.