Home / 77,799.79-107,292.85-50,932.50

Finding the Fourth Proportional to 77,799.79, 107,292.85 and 50,932.50

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Solution

The fourth proportional to 77,799.79, 107,292.85 and 50,932.50 is: 70,240.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,799.79 : 107,292.85 = 50,932.50 : x
  2. Step 2: Convert to fraction form
    77,799.79/107,292.85 = 50,932.50/x
  3. Step 3: Cross multiply
    77,799.79x = 107,292.85 × 50,932.50
  4. Step 4: Simplify right side
    77,799.79x = 5,464,692,839.44
  5. Step 5: Solve for x
    x = 5,464,692,839.44/77,799.79
  6. Step 6: Final answer
    x = 70,240.46

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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.