Home / 96,954.13-145,431.24-30,399.45

Finding the Fourth Proportional to 96,954.13, 145,431.24 and 30,399.45

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Solution

The fourth proportional to 96,954.13, 145,431.24 and 30,399.45 is: 45,599.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,954.13 : 145,431.24 = 30,399.45 : x
  2. Step 2: Convert to fraction form
    96,954.13/145,431.24 = 30,399.45/x
  3. Step 3: Cross multiply
    96,954.13x = 145,431.24 × 30,399.45
  4. Step 4: Simplify right side
    96,954.13x = 4,421,029,708.82
  5. Step 5: Solve for x
    x = 4,421,029,708.82/96,954.13
  6. Step 6: Final answer
    x = 45,599.19

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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.