Home / 96,464.28-133,031.70-66,196.20

Finding the Fourth Proportional to 96,464.28, 133,031.70 and 66,196.20

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Solution

The fourth proportional to 96,464.28, 133,031.70 and 66,196.20 is: 91,289.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,464.28 : 133,031.70 = 66,196.20 : x
  2. Step 2: Convert to fraction form
    96,464.28/133,031.70 = 66,196.20/x
  3. Step 3: Cross multiply
    96,464.28x = 133,031.70 × 66,196.20
  4. Step 4: Simplify right side
    96,464.28x = 8,806,193,019.54
  5. Step 5: Solve for x
    x = 8,806,193,019.54/96,464.28
  6. Step 6: Final answer
    x = 91,289.68

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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.