Home / 78,799.85-108,739.55-44,803.65

Finding the Fourth Proportional to 78,799.85, 108,739.55 and 44,803.65

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Solution

The fourth proportional to 78,799.85, 108,739.55 and 44,803.65 is: 61,826.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,799.85 : 108,739.55 = 44,803.65 : x
  2. Step 2: Convert to fraction form
    78,799.85/108,739.55 = 44,803.65/x
  3. Step 3: Cross multiply
    78,799.85x = 108,739.55 × 44,803.65
  4. Step 4: Simplify right side
    78,799.85x = 4,871,928,515.34
  5. Step 5: Solve for x
    x = 4,871,928,515.34/78,799.85
  6. Step 6: Final answer
    x = 61,826.62

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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.