Home / 50,658.06-69,903.56-29,142.08

Finding the Fourth Proportional to 50,658.06, 69,903.56 and 29,142.08

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Solution

The fourth proportional to 50,658.06, 69,903.56 and 29,142.08 is: 40,213.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,658.06 : 69,903.56 = 29,142.08 : x
  2. Step 2: Convert to fraction form
    50,658.06/69,903.56 = 29,142.08/x
  3. Step 3: Cross multiply
    50,658.06x = 69,903.56 × 29,142.08
  4. Step 4: Simplify right side
    50,658.06x = 2,037,134,959.36
  5. Step 5: Solve for x
    x = 2,037,134,959.36/50,658.06
  6. Step 6: Final answer
    x = 40,213.44

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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.