Home / 75,764.12-104,599.34-67,357.40

Finding the Fourth Proportional to 75,764.12, 104,599.34 and 67,357.40

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Solution

The fourth proportional to 75,764.12, 104,599.34 and 67,357.40 is: 92,993.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,764.12 : 104,599.34 = 67,357.40 : x
  2. Step 2: Convert to fraction form
    75,764.12/104,599.34 = 67,357.40/x
  3. Step 3: Cross multiply
    75,764.12x = 104,599.34 × 67,357.40
  4. Step 4: Simplify right side
    75,764.12x = 7,045,539,584.12
  5. Step 5: Solve for x
    x = 7,045,539,584.12/75,764.12
  6. Step 6: Final answer
    x = 92,993.09

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1.5x scale

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.