Home / 96,981.24-145,471.74-30,427.20

Finding the Fourth Proportional to 96,981.24, 145,471.74 and 30,427.20

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Solution

The fourth proportional to 96,981.24, 145,471.74 and 30,427.20 is: 45,640.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,981.24 : 145,471.74 = 30,427.20 : x
  2. Step 2: Convert to fraction form
    96,981.24/145,471.74 = 30,427.20/x
  3. Step 3: Cross multiply
    96,981.24x = 145,471.74 × 30,427.20
  4. Step 4: Simplify right side
    96,981.24x = 4,426,297,727.33
  5. Step 5: Solve for x
    x = 4,426,297,727.33/96,981.24
  6. Step 6: Final answer
    x = 45,640.76

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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.