Home / 111,231.09-153,512.39-62,835.06

Finding the Fourth Proportional to 111,231.09, 153,512.39 and 62,835.06

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Solution

The fourth proportional to 111,231.09, 153,512.39 and 62,835.06 is: 86,720.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,231.09 : 153,512.39 = 62,835.06 : x
  2. Step 2: Convert to fraction form
    111,231.09/153,512.39 = 62,835.06/x
  3. Step 3: Cross multiply
    111,231.09x = 153,512.39 × 62,835.06
  4. Step 4: Simplify right side
    111,231.09x = 9,645,959,922.22
  5. Step 5: Solve for x
    x = 9,645,959,922.22/111,231.09
  6. Step 6: Final answer
    x = 86,720.00

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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.