Home / 89,555.96-123,588.26-51,314.75

Finding the Fourth Proportional to 89,555.96, 123,588.26 and 51,314.75

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Solution

The fourth proportional to 89,555.96, 123,588.26 and 51,314.75 is: 70,814.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,555.96 : 123,588.26 = 51,314.75 : x
  2. Step 2: Convert to fraction form
    89,555.96/123,588.26 = 51,314.75/x
  3. Step 3: Cross multiply
    89,555.96x = 123,588.26 × 51,314.75
  4. Step 4: Simplify right side
    89,555.96x = 6,341,900,408.26
  5. Step 5: Solve for x
    x = 6,341,900,408.26/89,555.96
  6. Step 6: Final answer
    x = 70,814.95

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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.