Home / 98,292.75-135,646.88-55,853.07

Finding the Fourth Proportional to 98,292.75, 135,646.88 and 55,853.07

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Solution

The fourth proportional to 98,292.75, 135,646.88 and 55,853.07 is: 77,078.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,292.75 : 135,646.88 = 55,853.07 : x
  2. Step 2: Convert to fraction form
    98,292.75/135,646.88 = 55,853.07/x
  3. Step 3: Cross multiply
    98,292.75x = 135,646.88 × 55,853.07
  4. Step 4: Simplify right side
    98,292.75x = 7,576,294,404.66
  5. Step 5: Solve for x
    x = 7,576,294,404.66/98,292.75
  6. Step 6: Final answer
    x = 77,078.87

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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.