Home / 72,811.13-100,481.78-44,511.35

Finding the Fourth Proportional to 72,811.13, 100,481.78 and 44,511.35

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Solution

The fourth proportional to 72,811.13, 100,481.78 and 44,511.35 is: 61,427.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,811.13 : 100,481.78 = 44,511.35 : x
  2. Step 2: Convert to fraction form
    72,811.13/100,481.78 = 44,511.35/x
  3. Step 3: Cross multiply
    72,811.13x = 100,481.78 × 44,511.35
  4. Step 4: Simplify right side
    72,811.13x = 4,472,579,287.07
  5. Step 5: Solve for x
    x = 4,472,579,287.07/72,811.13
  6. Step 6: Final answer
    x = 61,427.14

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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.