Home / 113,719.24-170,640.37-57,622.69

Finding the Fourth Proportional to 113,719.24, 170,640.37 and 57,622.69

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Solution

The fourth proportional to 113,719.24, 170,640.37 and 57,622.69 is: 86,465.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,719.24 : 170,640.37 = 57,622.69 : x
  2. Step 2: Convert to fraction form
    113,719.24/170,640.37 = 57,622.69/x
  3. Step 3: Cross multiply
    113,719.24x = 170,640.37 × 57,622.69
  4. Step 4: Simplify right side
    113,719.24x = 9,832,757,427.32
  5. Step 5: Solve for x
    x = 9,832,757,427.32/113,719.24
  6. Step 6: Final answer
    x = 86,465.20

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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.