Home / 69,240.86-95,564.84-66,085.52

Finding the Fourth Proportional to 69,240.86, 95,564.84 and 66,085.52

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Solution

The fourth proportional to 69,240.86, 95,564.84 and 66,085.52 is: 91,209.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,240.86 : 95,564.84 = 66,085.52 : x
  2. Step 2: Convert to fraction form
    69,240.86/95,564.84 = 66,085.52/x
  3. Step 3: Cross multiply
    69,240.86x = 95,564.84 × 66,085.52
  4. Step 4: Simplify right side
    69,240.86x = 6,315,452,145.12
  5. Step 5: Solve for x
    x = 6,315,452,145.12/69,240.86
  6. Step 6: Final answer
    x = 91,209.90

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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.