Home / 50,108.76-69,137.82-29,972.16

Finding the Fourth Proportional to 50,108.76, 69,137.82 and 29,972.16

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Solution

The fourth proportional to 50,108.76, 69,137.82 and 29,972.16 is: 41,354.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,108.76 : 69,137.82 = 29,972.16 : x
  2. Step 2: Convert to fraction form
    50,108.76/69,137.82 = 29,972.16/x
  3. Step 3: Cross multiply
    50,108.76x = 69,137.82 × 29,972.16
  4. Step 4: Simplify right side
    50,108.76x = 2,072,209,803.09
  5. Step 5: Solve for x
    x = 2,072,209,803.09/50,108.76
  6. Step 6: Final answer
    x = 41,354.24

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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.