Home / 96,935.33-145,403.07-30,380.60

Finding the Fourth Proportional to 96,935.33, 145,403.07 and 30,380.60

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Solution

The fourth proportional to 96,935.33, 145,403.07 and 30,380.60 is: 45,570.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,935.33 : 145,403.07 = 30,380.60 : x
  2. Step 2: Convert to fraction form
    96,935.33/145,403.07 = 30,380.60/x
  3. Step 3: Cross multiply
    96,935.33x = 145,403.07 × 30,380.60
  4. Step 4: Simplify right side
    96,935.33x = 4,417,432,758.02
  5. Step 5: Solve for x
    x = 4,417,432,758.02/96,935.33
  6. Step 6: Final answer
    x = 45,570.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.