Home / 75,416.40-113,149.20-35,968.39

Finding the Fourth Proportional to 75,416.40, 113,149.20 and 35,968.39

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Solution

The fourth proportional to 75,416.40, 113,149.20 and 35,968.39 is: 53,964.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,416.40 : 113,149.20 = 35,968.39 : x
  2. Step 2: Convert to fraction form
    75,416.40/113,149.20 = 35,968.39/x
  3. Step 3: Cross multiply
    75,416.40x = 113,149.20 × 35,968.39
  4. Step 4: Simplify right side
    75,416.40x = 4,069,794,405.80
  5. Step 5: Solve for x
    x = 4,069,794,405.80/75,416.40
  6. Step 6: Final answer
    x = 53,964.32

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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.