Home / 89,289.06-123,229.53-51,562.50

Finding the Fourth Proportional to 89,289.06, 123,229.53 and 51,562.50

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Solution

The fourth proportional to 89,289.06, 123,229.53 and 51,562.50 is: 71,162.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,289.06 : 123,229.53 = 51,562.50 : x
  2. Step 2: Convert to fraction form
    89,289.06/123,229.53 = 51,562.50/x
  3. Step 3: Cross multiply
    89,289.06x = 123,229.53 × 51,562.50
  4. Step 4: Simplify right side
    89,289.06x = 6,354,022,640.63
  5. Step 5: Solve for x
    x = 6,354,022,640.63/89,289.06
  6. Step 6: Final answer
    x = 71,162.39

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1.5x scale

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.