Home / 96,936.04-145,403.84-30,381.24

Finding the Fourth Proportional to 96,936.04, 145,403.84 and 30,381.24

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Solution

The fourth proportional to 96,936.04, 145,403.84 and 30,381.24 is: 45,571.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,936.04 : 145,403.84 = 30,381.24 : x
  2. Step 2: Convert to fraction form
    96,936.04/145,403.84 = 30,381.24/x
  3. Step 3: Cross multiply
    96,936.04x = 145,403.84 × 30,381.24
  4. Step 4: Simplify right side
    96,936.04x = 4,417,548,959.96
  5. Step 5: Solve for x
    x = 4,417,548,959.96/96,936.04
  6. Step 6: Final answer
    x = 45,571.79

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1.5x scale

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.