Home / 96,650.42-133,479-66,513.56

Finding the Fourth Proportional to 96,650.42, 133,479 and 66,513.56

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Solution

The fourth proportional to 96,650.42, 133,479 and 66,513.56 is: 91,858.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,650.42 : 133,479 = 66,513.56 : x
  2. Step 2: Convert to fraction form
    96,650.42/133,479 = 66,513.56/x
  3. Step 3: Cross multiply
    96,650.42x = 133,479 × 66,513.56
  4. Step 4: Simplify right side
    96,650.42x = 8,878,163,475.24
  5. Step 5: Solve for x
    x = 8,878,163,475.24/96,650.42
  6. Step 6: Final answer
    x = 91,858.51

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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.