Home / 96,451.53-133,149.24-64,239.72

Finding the Fourth Proportional to 96,451.53, 133,149.24 and 64,239.72

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Solution

The fourth proportional to 96,451.53, 133,149.24 and 64,239.72 is: 88,681.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,451.53 : 133,149.24 = 64,239.72 : x
  2. Step 2: Convert to fraction form
    96,451.53/133,149.24 = 64,239.72/x
  3. Step 3: Cross multiply
    96,451.53x = 133,149.24 × 64,239.72
  4. Step 4: Simplify right side
    96,451.53x = 8,553,469,895.81
  5. Step 5: Solve for x
    x = 8,553,469,895.81/96,451.53
  6. Step 6: Final answer
    x = 88,681.54

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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.