Home / 50,285.07-69,378.66-31,179.06

Finding the Fourth Proportional to 50,285.07, 69,378.66 and 31,179.06

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Solution

The fourth proportional to 50,285.07, 69,378.66 and 31,179.06 is: 43,017.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,285.07 : 69,378.66 = 31,179.06 : x
  2. Step 2: Convert to fraction form
    50,285.07/69,378.66 = 31,179.06/x
  3. Step 3: Cross multiply
    50,285.07x = 69,378.66 × 31,179.06
  4. Step 4: Simplify right side
    50,285.07x = 2,163,161,402.86
  5. Step 5: Solve for x
    x = 2,163,161,402.86/50,285.07
  6. Step 6: Final answer
    x = 43,017.97

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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.