Home / 72,947.90-100,751.14-49,033.06

Finding the Fourth Proportional to 72,947.90, 100,751.14 and 49,033.06

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Solution

The fourth proportional to 72,947.90, 100,751.14 and 49,033.06 is: 67,721.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,947.90 : 100,751.14 = 49,033.06 : x
  2. Step 2: Convert to fraction form
    72,947.90/100,751.14 = 49,033.06/x
  3. Step 3: Cross multiply
    72,947.90x = 100,751.14 × 49,033.06
  4. Step 4: Simplify right side
    72,947.90x = 4,940,136,692.69
  5. Step 5: Solve for x
    x = 4,940,136,692.69/72,947.90
  6. Step 6: Final answer
    x = 67,721.44

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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.