Home / 69,535.09-95,909.47-67,220.38

Finding the Fourth Proportional to 69,535.09, 95,909.47 and 67,220.38

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Solution

The fourth proportional to 69,535.09, 95,909.47 and 67,220.38 is: 92,716.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,535.09 : 95,909.47 = 67,220.38 : x
  2. Step 2: Convert to fraction form
    69,535.09/95,909.47 = 67,220.38/x
  3. Step 3: Cross multiply
    69,535.09x = 95,909.47 × 67,220.38
  4. Step 4: Simplify right side
    69,535.09x = 6,447,070,970.83
  5. Step 5: Solve for x
    x = 6,447,070,970.83/69,535.09
  6. Step 6: Final answer
    x = 92,716.80

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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.