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Finding the Fourth Proportional to 72,606.72, 100,208.40 and 44,328.96

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Solution

The fourth proportional to 72,606.72, 100,208.40 and 44,328.96 is: 61,180.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,606.72 : 100,208.40 = 44,328.96 : x
  2. Step 2: Convert to fraction form
    72,606.72/100,208.40 = 44,328.96/x
  3. Step 3: Cross multiply
    72,606.72x = 100,208.40 × 44,328.96
  4. Step 4: Simplify right side
    72,606.72x = 4,442,134,155.26
  5. Step 5: Solve for x
    x = 4,442,134,155.26/72,606.72
  6. Step 6: Final answer
    x = 61,180.76

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.