Home / 89,555.36-123,604.05-51,340.57

Finding the Fourth Proportional to 89,555.36, 123,604.05 and 51,340.57

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Solution

The fourth proportional to 89,555.36, 123,604.05 and 51,340.57 is: 70,860.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,555.36 : 123,604.05 = 51,340.57 : x
  2. Step 2: Convert to fraction form
    89,555.36/123,604.05 = 51,340.57/x
  3. Step 3: Cross multiply
    89,555.36x = 123,604.05 × 51,340.57
  4. Step 4: Simplify right side
    89,555.36x = 6,345,902,264.83
  5. Step 5: Solve for x
    x = 6,345,902,264.83/89,555.36
  6. Step 6: Final answer
    x = 70,860.11

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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.