Home / 77,940.35-107,548.53-43,946.81

Finding the Fourth Proportional to 77,940.35, 107,548.53 and 43,946.81

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Solution

The fourth proportional to 77,940.35, 107,548.53 and 43,946.81 is: 60,641.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,940.35 : 107,548.53 = 43,946.81 : x
  2. Step 2: Convert to fraction form
    77,940.35/107,548.53 = 43,946.81/x
  3. Step 3: Cross multiply
    77,940.35x = 107,548.53 × 43,946.81
  4. Step 4: Simplify right side
    77,940.35x = 4,726,414,275.95
  5. Step 5: Solve for x
    x = 4,726,414,275.95/77,940.35
  6. Step 6: Final answer
    x = 60,641.43

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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.