Home / 79,570.23-109,804.82-43,270.65

Finding the Fourth Proportional to 79,570.23, 109,804.82 and 43,270.65

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Solution

The fourth proportional to 79,570.23, 109,804.82 and 43,270.65 is: 59,712.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,570.23 : 109,804.82 = 43,270.65 : x
  2. Step 2: Convert to fraction form
    79,570.23/109,804.82 = 43,270.65/x
  3. Step 3: Cross multiply
    79,570.23x = 109,804.82 × 43,270.65
  4. Step 4: Simplify right side
    79,570.23x = 4,751,325,718.18
  5. Step 5: Solve for x
    x = 4,751,325,718.18/79,570.23
  6. Step 6: Final answer
    x = 59,712.35

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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.