Home / 67,558.84-101,283.60-28,145.56

Finding the Fourth Proportional to 67,558.84, 101,283.60 and 28,145.56

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Solution

The fourth proportional to 67,558.84, 101,283.60 and 28,145.56 is: 42,195.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,558.84 : 101,283.60 = 28,145.56 : x
  2. Step 2: Convert to fraction form
    67,558.84/101,283.60 = 28,145.56/x
  3. Step 3: Cross multiply
    67,558.84x = 101,283.60 × 28,145.56
  4. Step 4: Simplify right side
    67,558.84x = 2,850,683,640.82
  5. Step 5: Solve for x
    x = 2,850,683,640.82/67,558.84
  6. Step 6: Final answer
    x = 42,195.57

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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.