Home / 78,799.50-108,738.88-44,803.18

Finding the Fourth Proportional to 78,799.50, 108,738.88 and 44,803.18

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Solution

The fourth proportional to 78,799.50, 108,738.88 and 44,803.18 is: 61,825.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,799.50 : 108,738.88 = 44,803.18 : x
  2. Step 2: Convert to fraction form
    78,799.50/108,738.88 = 44,803.18/x
  3. Step 3: Cross multiply
    78,799.50x = 108,738.88 × 44,803.18
  4. Step 4: Simplify right side
    78,799.50x = 4,871,847,613.64
  5. Step 5: Solve for x
    x = 4,871,847,613.64/78,799.50
  6. Step 6: Final answer
    x = 61,825.87

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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.