Home / 50,068.81-69,090.23-29,921.68

Finding the Fourth Proportional to 50,068.81, 69,090.23 and 29,921.68

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Solution

The fourth proportional to 50,068.81, 69,090.23 and 29,921.68 is: 41,289.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,068.81 : 69,090.23 = 29,921.68 : x
  2. Step 2: Convert to fraction form
    50,068.81/69,090.23 = 29,921.68/x
  3. Step 3: Cross multiply
    50,068.81x = 69,090.23 × 29,921.68
  4. Step 4: Simplify right side
    50,068.81x = 2,067,295,543.06
  5. Step 5: Solve for x
    x = 2,067,295,543.06/50,068.81
  6. Step 6: Final answer
    x = 41,289.09

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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.