Home / 55,818.06-83,723.70-19,796.30

Finding the Fourth Proportional to 55,818.06, 83,723.70 and 19,796.30

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Solution

The fourth proportional to 55,818.06, 83,723.70 and 19,796.30 is: 29,693.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,818.06 : 83,723.70 = 19,796.30 : x
  2. Step 2: Convert to fraction form
    55,818.06/83,723.70 = 19,796.30/x
  3. Step 3: Cross multiply
    55,818.06x = 83,723.70 × 19,796.30
  4. Step 4: Simplify right side
    55,818.06x = 1,657,419,303.42
  5. Step 5: Solve for x
    x = 1,657,419,303.42/55,818.06
  6. Step 6: Final answer
    x = 29,693.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.