Home / 69,154.86-95,435.37-38,941.20

Finding the Fourth Proportional to 69,154.86, 95,435.37 and 38,941.20

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Solution

The fourth proportional to 69,154.86, 95,435.37 and 38,941.20 is: 53,739.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,154.86 : 95,435.37 = 38,941.20 : x
  2. Step 2: Convert to fraction form
    69,154.86/95,435.37 = 38,941.20/x
  3. Step 3: Cross multiply
    69,154.86x = 95,435.37 × 38,941.20
  4. Step 4: Simplify right side
    69,154.86x = 3,716,367,830.24
  5. Step 5: Solve for x
    x = 3,716,367,830.24/69,154.86
  6. Step 6: Final answer
    x = 53,739.79

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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.