Home / 69,900.91-96,464.35-38,069.78

Finding the Fourth Proportional to 69,900.91, 96,464.35 and 38,069.78

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Solution

The fourth proportional to 69,900.91, 96,464.35 and 38,069.78 is: 52,536.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,900.91 : 96,464.35 = 38,069.78 : x
  2. Step 2: Convert to fraction form
    69,900.91/96,464.35 = 38,069.78/x
  3. Step 3: Cross multiply
    69,900.91x = 96,464.35 × 38,069.78
  4. Step 4: Simplify right side
    69,900.91x = 3,672,376,476.08
  5. Step 5: Solve for x
    x = 3,672,376,476.08/69,900.91
  6. Step 6: Final answer
    x = 52,536.89

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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.