Home / 89,512.74-123,525-51,271.02

Finding the Fourth Proportional to 89,512.74, 123,525 and 51,271.02

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Solution

The fourth proportional to 89,512.74, 123,525 and 51,271.02 is: 70,752.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,512.74 : 123,525 = 51,271.02 : x
  2. Step 2: Convert to fraction form
    89,512.74/123,525 = 51,271.02/x
  3. Step 3: Cross multiply
    89,512.74x = 123,525 × 51,271.02
  4. Step 4: Simplify right side
    89,512.74x = 6,333,252,745.50
  5. Step 5: Solve for x
    x = 6,333,252,745.50/89,512.74
  6. Step 6: Final answer
    x = 70,752.53

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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.