Home / 79,140.08-109,208.97-43,323.16

Finding the Fourth Proportional to 79,140.08, 109,208.97 and 43,323.16

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Solution

The fourth proportional to 79,140.08, 109,208.97 and 43,323.16 is: 59,783.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,140.08 : 109,208.97 = 43,323.16 : x
  2. Step 2: Convert to fraction form
    79,140.08/109,208.97 = 43,323.16/x
  3. Step 3: Cross multiply
    79,140.08x = 109,208.97 × 43,323.16
  4. Step 4: Simplify right side
    79,140.08x = 4,731,277,407.72
  5. Step 5: Solve for x
    x = 4,731,277,407.72/79,140.08
  6. Step 6: Final answer
    x = 59,783.59

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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.