Home / 96,935.47-145,403.24-30,380.76

Finding the Fourth Proportional to 96,935.47, 145,403.24 and 30,380.76

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Solution

The fourth proportional to 96,935.47, 145,403.24 and 30,380.76 is: 45,571.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,935.47 : 145,403.24 = 30,380.76 : x
  2. Step 2: Convert to fraction form
    96,935.47/145,403.24 = 30,380.76/x
  3. Step 3: Cross multiply
    96,935.47x = 145,403.24 × 30,380.76
  4. Step 4: Simplify right side
    96,935.47x = 4,417,460,785.76
  5. Step 5: Solve for x
    x = 4,417,460,785.76/96,935.47
  6. Step 6: Final answer
    x = 45,571.15

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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.