Home / 72,269.67-99,720.24-45,393.03

Finding the Fourth Proportional to 72,269.67, 99,720.24 and 45,393.03

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Solution

The fourth proportional to 72,269.67, 99,720.24 and 45,393.03 is: 62,634.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,269.67 : 99,720.24 = 45,393.03 : x
  2. Step 2: Convert to fraction form
    72,269.67/99,720.24 = 45,393.03/x
  3. Step 3: Cross multiply
    72,269.67x = 99,720.24 × 45,393.03
  4. Step 4: Simplify right side
    72,269.67x = 4,526,603,845.93
  5. Step 5: Solve for x
    x = 4,526,603,845.93/72,269.67
  6. Step 6: Final answer
    x = 62,634.90

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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.