Home / 97,909.47-135,067.01-63,902.25

Finding the Fourth Proportional to 97,909.47, 135,067.01 and 63,902.25

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Solution

The fourth proportional to 97,909.47, 135,067.01 and 63,902.25 is: 88,153.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,909.47 : 135,067.01 = 63,902.25 : x
  2. Step 2: Convert to fraction form
    97,909.47/135,067.01 = 63,902.25/x
  3. Step 3: Cross multiply
    97,909.47x = 135,067.01 × 63,902.25
  4. Step 4: Simplify right side
    97,909.47x = 8,631,085,520.26
  5. Step 5: Solve for x
    x = 8,631,085,520.26/97,909.47
  6. Step 6: Final answer
    x = 88,153.74

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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.