Home / 51,435.84-77,083.71-28,957.25

Finding the Fourth Proportional to 51,435.84, 77,083.71 and 28,957.25

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Solution

The fourth proportional to 51,435.84, 77,083.71 and 28,957.25 is: 43,396.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,435.84 : 77,083.71 = 28,957.25 : x
  2. Step 2: Convert to fraction form
    51,435.84/77,083.71 = 28,957.25/x
  3. Step 3: Cross multiply
    51,435.84x = 77,083.71 × 28,957.25
  4. Step 4: Simplify right side
    51,435.84x = 2,232,132,074.81
  5. Step 5: Solve for x
    x = 2,232,132,074.81/51,435.84
  6. Step 6: Final answer
    x = 43,396.43

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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.