Home / 96,635.12-133,349.64-53,616.80

Finding the Fourth Proportional to 96,635.12, 133,349.64 and 53,616.80

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Solution

The fourth proportional to 96,635.12, 133,349.64 and 53,616.80 is: 73,987.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,635.12 : 133,349.64 = 53,616.80 : x
  2. Step 2: Convert to fraction form
    96,635.12/133,349.64 = 53,616.80/x
  3. Step 3: Cross multiply
    96,635.12x = 133,349.64 × 53,616.80
  4. Step 4: Simplify right side
    96,635.12x = 7,149,780,977.95
  5. Step 5: Solve for x
    x = 7,149,780,977.95/96,635.12
  6. Step 6: Final answer
    x = 73,987.40

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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.