Home / 55,428.16-76,335.36-51,870.56

Finding the Fourth Proportional to 55,428.16, 76,335.36 and 51,870.56

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Solution

The fourth proportional to 55,428.16, 76,335.36 and 51,870.56 is: 71,435.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,428.16 : 76,335.36 = 51,870.56 : x
  2. Step 2: Convert to fraction form
    55,428.16/76,335.36 = 51,870.56/x
  3. Step 3: Cross multiply
    55,428.16x = 76,335.36 × 51,870.56
  4. Step 4: Simplify right side
    55,428.16x = 3,959,557,871.00
  5. Step 5: Solve for x
    x = 3,959,557,871.00/55,428.16
  6. Step 6: Final answer
    x = 71,435.85

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.