Home / 90,577.05-135,889.07-34,418.13

Finding the Fourth Proportional to 90,577.05, 135,889.07 and 34,418.13

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Solution

The fourth proportional to 90,577.05, 135,889.07 and 34,418.13 is: 51,636.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,577.05 : 135,889.07 = 34,418.13 : x
  2. Step 2: Convert to fraction form
    90,577.05/135,889.07 = 34,418.13/x
  3. Step 3: Cross multiply
    90,577.05x = 135,889.07 × 34,418.13
  4. Step 4: Simplify right side
    90,577.05x = 4,677,047,504.75
  5. Step 5: Solve for x
    x = 4,677,047,504.75/90,577.05
  6. Step 6: Final answer
    x = 51,636.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.