Home / 79,260.30-109,390.48-49,055.36

Finding the Fourth Proportional to 79,260.30, 109,390.48 and 49,055.36

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Solution

The fourth proportional to 79,260.30, 109,390.48 and 49,055.36 is: 67,703.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,260.30 : 109,390.48 = 49,055.36 : x
  2. Step 2: Convert to fraction form
    79,260.30/109,390.48 = 49,055.36/x
  3. Step 3: Cross multiply
    79,260.30x = 109,390.48 × 49,055.36
  4. Step 4: Simplify right side
    79,260.30x = 5,366,188,707.38
  5. Step 5: Solve for x
    x = 5,366,188,707.38/79,260.30
  6. Step 6: Final answer
    x = 67,703.36

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1.5x scale

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.