Home / 51,305.51-70,807.90-29,790.56

Finding the Fourth Proportional to 51,305.51, 70,807.90 and 29,790.56

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Solution

The fourth proportional to 51,305.51, 70,807.90 and 29,790.56 is: 41,114.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,305.51 : 70,807.90 = 29,790.56 : x
  2. Step 2: Convert to fraction form
    51,305.51/70,807.90 = 29,790.56/x
  3. Step 3: Cross multiply
    51,305.51x = 70,807.90 × 29,790.56
  4. Step 4: Simplify right side
    51,305.51x = 2,109,406,993.42
  5. Step 5: Solve for x
    x = 2,109,406,993.42/51,305.51
  6. Step 6: Final answer
    x = 41,114.63

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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.