Home / 89,555.22-123,580.35-51,310.26

Finding the Fourth Proportional to 89,555.22, 123,580.35 and 51,310.26

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Solution

The fourth proportional to 89,555.22, 123,580.35 and 51,310.26 is: 70,804.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,555.22 : 123,580.35 = 51,310.26 : x
  2. Step 2: Convert to fraction form
    89,555.22/123,580.35 = 51,310.26/x
  3. Step 3: Cross multiply
    89,555.22x = 123,580.35 × 51,310.26
  4. Step 4: Simplify right side
    89,555.22x = 6,340,939,889.39
  5. Step 5: Solve for x
    x = 6,340,939,889.39/89,555.22
  6. Step 6: Final answer
    x = 70,804.81

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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.