Home / 107,968.09-148,995.57-60,221.40

Finding the Fourth Proportional to 107,968.09, 148,995.57 and 60,221.40

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Solution

The fourth proportional to 107,968.09, 148,995.57 and 60,221.40 is: 83,105.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,968.09 : 148,995.57 = 60,221.40 : x
  2. Step 2: Convert to fraction form
    107,968.09/148,995.57 = 60,221.40/x
  3. Step 3: Cross multiply
    107,968.09x = 148,995.57 × 60,221.40
  4. Step 4: Simplify right side
    107,968.09x = 8,972,721,074.22
  5. Step 5: Solve for x
    x = 8,972,721,074.22/107,968.09
  6. Step 6: Final answer
    x = 83,105.31

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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.