Home / 86,149.64-118,869.08-50,332.73

Finding the Fourth Proportional to 86,149.64, 118,869.08 and 50,332.73

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Solution

The fourth proportional to 86,149.64, 118,869.08 and 50,332.73 is: 69,448.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,149.64 : 118,869.08 = 50,332.73 : x
  2. Step 2: Convert to fraction form
    86,149.64/118,869.08 = 50,332.73/x
  3. Step 3: Cross multiply
    86,149.64x = 118,869.08 × 50,332.73
  4. Step 4: Simplify right side
    86,149.64x = 5,983,004,938.86
  5. Step 5: Solve for x
    x = 5,983,004,938.86/86,149.64
  6. Step 6: Final answer
    x = 69,448.99

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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.