Home / 96,935.72-145,403.61-30,381.01

Finding the Fourth Proportional to 96,935.72, 145,403.61 and 30,381.01

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Solution

The fourth proportional to 96,935.72, 145,403.61 and 30,381.01 is: 45,571.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,935.72 : 145,403.61 = 30,381.01 : x
  2. Step 2: Convert to fraction form
    96,935.72/145,403.61 = 30,381.01/x
  3. Step 3: Cross multiply
    96,935.72x = 145,403.61 × 30,381.01
  4. Step 4: Simplify right side
    96,935.72x = 4,417,508,529.45
  5. Step 5: Solve for x
    x = 4,417,508,529.45/96,935.72
  6. Step 6: Final answer
    x = 45,571.53

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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.