Home / 69,850.02-96,378.75-67,449.72

Finding the Fourth Proportional to 69,850.02, 96,378.75 and 67,449.72

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Solution

The fourth proportional to 69,850.02, 96,378.75 and 67,449.72 is: 93,066.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,850.02 : 96,378.75 = 67,449.72 : x
  2. Step 2: Convert to fraction form
    69,850.02/96,378.75 = 67,449.72/x
  3. Step 3: Cross multiply
    69,850.02x = 96,378.75 × 67,449.72
  4. Step 4: Simplify right side
    69,850.02x = 6,500,719,701.45
  5. Step 5: Solve for x
    x = 6,500,719,701.45/69,850.02
  6. Step 6: Final answer
    x = 93,066.83

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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.