Home / 69,209.90-95,509.66-37,378.80

Finding the Fourth Proportional to 69,209.90, 95,509.66 and 37,378.80

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Solution

The fourth proportional to 69,209.90, 95,509.66 and 37,378.80 is: 51,582.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,209.90 : 95,509.66 = 37,378.80 : x
  2. Step 2: Convert to fraction form
    69,209.90/95,509.66 = 37,378.80/x
  3. Step 3: Cross multiply
    69,209.90x = 95,509.66 × 37,378.80
  4. Step 4: Simplify right side
    69,209.90x = 3,570,036,479.21
  5. Step 5: Solve for x
    x = 3,570,036,479.21/69,209.90
  6. Step 6: Final answer
    x = 51,582.74

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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.