Home / 50,045.76-69,033.36-31,179.24

Finding the Fourth Proportional to 50,045.76, 69,033.36 and 31,179.24

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Solution

The fourth proportional to 50,045.76, 69,033.36 and 31,179.24 is: 43,008.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,045.76 : 69,033.36 = 31,179.24 : x
  2. Step 2: Convert to fraction form
    50,045.76/69,033.36 = 31,179.24/x
  3. Step 3: Cross multiply
    50,045.76x = 69,033.36 × 31,179.24
  4. Step 4: Simplify right side
    50,045.76x = 2,152,407,699.45
  5. Step 5: Solve for x
    x = 2,152,407,699.45/50,045.76
  6. Step 6: Final answer
    x = 43,008.79

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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.