Home / 111,325.24-153,636.31-62,910.39

Finding the Fourth Proportional to 111,325.24, 153,636.31 and 62,910.39

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Solution

The fourth proportional to 111,325.24, 153,636.31 and 62,910.39 is: 86,820.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,325.24 : 153,636.31 = 62,910.39 : x
  2. Step 2: Convert to fraction form
    111,325.24/153,636.31 = 62,910.39/x
  3. Step 3: Cross multiply
    111,325.24x = 153,636.31 × 62,910.39
  4. Step 4: Simplify right side
    111,325.24x = 9,665,320,180.26
  5. Step 5: Solve for x
    x = 9,665,320,180.26/111,325.24
  6. Step 6: Final answer
    x = 86,820.56

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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.