Home / 48,121.08-66,410.49-31,354.08

Finding the Fourth Proportional to 48,121.08, 66,410.49 and 31,354.08

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Solution

The fourth proportional to 48,121.08, 66,410.49 and 31,354.08 is: 43,270.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,121.08 : 66,410.49 = 31,354.08 : x
  2. Step 2: Convert to fraction form
    48,121.08/66,410.49 = 31,354.08/x
  3. Step 3: Cross multiply
    48,121.08x = 66,410.49 × 31,354.08
  4. Step 4: Simplify right side
    48,121.08x = 2,082,239,816.30
  5. Step 5: Solve for x
    x = 2,082,239,816.30/48,121.08
  6. Step 6: Final answer
    x = 43,270.85

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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.