Home / 110,930.72-153,084-60,629.68

Finding the Fourth Proportional to 110,930.72, 153,084 and 60,629.68

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Solution

The fourth proportional to 110,930.72, 153,084 and 60,629.68 is: 83,668.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,930.72 : 153,084 = 60,629.68 : x
  2. Step 2: Convert to fraction form
    110,930.72/153,084 = 60,629.68/x
  3. Step 3: Cross multiply
    110,930.72x = 153,084 × 60,629.68
  4. Step 4: Simplify right side
    110,930.72x = 9,281,433,933.12
  5. Step 5: Solve for x
    x = 9,281,433,933.12/110,930.72
  6. Step 6: Final answer
    x = 83,668.74

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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.