Home / 98,218.06-135,534.55-57,922.59

Finding the Fourth Proportional to 98,218.06, 135,534.55 and 57,922.59

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Solution

The fourth proportional to 98,218.06, 135,534.55 and 57,922.59 is: 79,929.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,218.06 : 135,534.55 = 57,922.59 : x
  2. Step 2: Convert to fraction form
    98,218.06/135,534.55 = 57,922.59/x
  3. Step 3: Cross multiply
    98,218.06x = 135,534.55 × 57,922.59
  4. Step 4: Simplify right side
    98,218.06x = 7,850,512,170.48
  5. Step 5: Solve for x
    x = 7,850,512,170.48/98,218.06
  6. Step 6: Final answer
    x = 79,929.42

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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.