Home / 77,727.60-107,260.92-45,906.80

Finding the Fourth Proportional to 77,727.60, 107,260.92 and 45,906.80

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Solution

The fourth proportional to 77,727.60, 107,260.92 and 45,906.80 is: 63,349.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,727.60 : 107,260.92 = 45,906.80 : x
  2. Step 2: Convert to fraction form
    77,727.60/107,260.92 = 45,906.80/x
  3. Step 3: Cross multiply
    77,727.60x = 107,260.92 × 45,906.80
  4. Step 4: Simplify right side
    77,727.60x = 4,924,005,602.26
  5. Step 5: Solve for x
    x = 4,924,005,602.26/77,727.60
  6. Step 6: Final answer
    x = 63,349.51

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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.