Home / 55,905.44-83,871.86-45,927.05

Finding the Fourth Proportional to 55,905.44, 83,871.86 and 45,927.05

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Solution

The fourth proportional to 55,905.44, 83,871.86 and 45,927.05 is: 68,901.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,905.44 : 83,871.86 = 45,927.05 : x
  2. Step 2: Convert to fraction form
    55,905.44/83,871.86 = 45,927.05/x
  3. Step 3: Cross multiply
    55,905.44x = 83,871.86 × 45,927.05
  4. Step 4: Simplify right side
    55,905.44x = 3,851,986,458.82
  5. Step 5: Solve for x
    x = 3,851,986,458.82/55,905.44
  6. Step 6: Final answer
    x = 68,901.82

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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.