Home / 75,378.88-113,069.40-35,940.16

Finding the Fourth Proportional to 75,378.88, 113,069.40 and 35,940.16

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Solution

The fourth proportional to 75,378.88, 113,069.40 and 35,940.16 is: 53,910.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,378.88 : 113,069.40 = 35,940.16 : x
  2. Step 2: Convert to fraction form
    75,378.88/113,069.40 = 35,940.16/x
  3. Step 3: Cross multiply
    75,378.88x = 113,069.40 × 35,940.16
  4. Step 4: Simplify right side
    75,378.88x = 4,063,732,327.10
  5. Step 5: Solve for x
    x = 4,063,732,327.10/75,378.88
  6. Step 6: Final answer
    x = 53,910.75

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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.