Home / 76,419.40-114,629.10-52,799.80

Finding the Fourth Proportional to 76,419.40, 114,629.10 and 52,799.80

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Solution

The fourth proportional to 76,419.40, 114,629.10 and 52,799.80 is: 79,199.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,419.40 : 114,629.10 = 52,799.80 : x
  2. Step 2: Convert to fraction form
    76,419.40/114,629.10 = 52,799.80/x
  3. Step 3: Cross multiply
    76,419.40x = 114,629.10 × 52,799.80
  4. Step 4: Simplify right side
    76,419.40x = 6,052,393,554.18
  5. Step 5: Solve for x
    x = 6,052,393,554.18/76,419.40
  6. Step 6: Final answer
    x = 79,199.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.