Home / 79,285.13-109,413.51-43,474.40

Finding the Fourth Proportional to 79,285.13, 109,413.51 and 43,474.40

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Solution

The fourth proportional to 79,285.13, 109,413.51 and 43,474.40 is: 59,994.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,285.13 : 109,413.51 = 43,474.40 : x
  2. Step 2: Convert to fraction form
    79,285.13/109,413.51 = 43,474.40/x
  3. Step 3: Cross multiply
    79,285.13x = 109,413.51 × 43,474.40
  4. Step 4: Simplify right side
    79,285.13x = 4,756,686,699.14
  5. Step 5: Solve for x
    x = 4,756,686,699.14/79,285.13
  6. Step 6: Final answer
    x = 59,994.69

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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.