Home / 72,413.80-99,826.36-50,837.86

Finding the Fourth Proportional to 72,413.80, 99,826.36 and 50,837.86

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Solution

The fourth proportional to 72,413.80, 99,826.36 and 50,837.86 is: 70,082.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,413.80 : 99,826.36 = 50,837.86 : x
  2. Step 2: Convert to fraction form
    72,413.80/99,826.36 = 50,837.86/x
  3. Step 3: Cross multiply
    72,413.80x = 99,826.36 × 50,837.86
  4. Step 4: Simplify right side
    72,413.80x = 5,074,958,511.68
  5. Step 5: Solve for x
    x = 5,074,958,511.68/72,413.80
  6. Step 6: Final answer
    x = 70,082.76

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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.