Home / 45,046.44-62,128.58-42,028.36

Finding the Fourth Proportional to 45,046.44, 62,128.58 and 42,028.36

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Solution

The fourth proportional to 45,046.44, 62,128.58 and 42,028.36 is: 57,966.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,046.44 : 62,128.58 = 42,028.36 : x
  2. Step 2: Convert to fraction form
    45,046.44/62,128.58 = 42,028.36/x
  3. Step 3: Cross multiply
    45,046.44x = 62,128.58 × 42,028.36
  4. Step 4: Simplify right side
    45,046.44x = 2,611,162,326.53
  5. Step 5: Solve for x
    x = 2,611,162,326.53/45,046.44
  6. Step 6: Final answer
    x = 57,966.01

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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.