Home / 78,799.87-108,739.40-44,803.56

Finding the Fourth Proportional to 78,799.87, 108,739.40 and 44,803.56

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Solution

The fourth proportional to 78,799.87, 108,739.40 and 44,803.56 is: 61,826.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,799.87 : 108,739.40 = 44,803.56 : x
  2. Step 2: Convert to fraction form
    78,799.87/108,739.40 = 44,803.56/x
  3. Step 3: Cross multiply
    78,799.87x = 108,739.40 × 44,803.56
  4. Step 4: Simplify right side
    78,799.87x = 4,871,912,416.02
  5. Step 5: Solve for x
    x = 4,871,912,416.02/78,799.87
  6. Step 6: Final answer
    x = 61,826.40

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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.