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Finding the Fourth Proportional to 80,336.79, 110,860.50 and 46,343.25

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Solution

The fourth proportional to 80,336.79, 110,860.50 and 46,343.25 is: 63,951.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,336.79 : 110,860.50 = 46,343.25 : x
  2. Step 2: Convert to fraction form
    80,336.79/110,860.50 = 46,343.25/x
  3. Step 3: Cross multiply
    80,336.79x = 110,860.50 × 46,343.25
  4. Step 4: Simplify right side
    80,336.79x = 5,137,635,866.63
  5. Step 5: Solve for x
    x = 5,137,635,866.63/80,336.79
  6. Step 6: Final answer
    x = 63,951.22

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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.