Home / 69,069.16-95,315.30-38,854.50

Finding the Fourth Proportional to 69,069.16, 95,315.30 and 38,854.50

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Solution

The fourth proportional to 69,069.16, 95,315.30 and 38,854.50 is: 53,619.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,069.16 : 95,315.30 = 38,854.50 : x
  2. Step 2: Convert to fraction form
    69,069.16/95,315.30 = 38,854.50/x
  3. Step 3: Cross multiply
    69,069.16x = 95,315.30 × 38,854.50
  4. Step 4: Simplify right side
    69,069.16x = 3,703,428,940.63
  5. Step 5: Solve for x
    x = 3,703,428,940.63/69,069.16
  6. Step 6: Final answer
    x = 53,619.14

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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.