Home / 77,939.01-107,551.80-43,946.55

Finding the Fourth Proportional to 77,939.01, 107,551.80 and 43,946.55

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Solution

The fourth proportional to 77,939.01, 107,551.80 and 43,946.55 is: 60,643.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,939.01 : 107,551.80 = 43,946.55 : x
  2. Step 2: Convert to fraction form
    77,939.01/107,551.80 = 43,946.55/x
  3. Step 3: Cross multiply
    77,939.01x = 107,551.80 × 43,946.55
  4. Step 4: Simplify right side
    77,939.01x = 4,726,530,556.29
  5. Step 5: Solve for x
    x = 4,726,530,556.29/77,939.01
  6. Step 6: Final answer
    x = 60,643.96

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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.