Home / 96,943.80-145,415.43-30,384.21

Finding the Fourth Proportional to 96,943.80, 145,415.43 and 30,384.21

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Solution

The fourth proportional to 96,943.80, 145,415.43 and 30,384.21 is: 45,576.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,943.80 : 145,415.43 = 30,384.21 : x
  2. Step 2: Convert to fraction form
    96,943.80/145,415.43 = 30,384.21/x
  3. Step 3: Cross multiply
    96,943.80x = 145,415.43 × 30,384.21
  4. Step 4: Simplify right side
    96,943.80x = 4,418,332,962.36
  5. Step 5: Solve for x
    x = 4,418,332,962.36/96,943.80
  6. Step 6: Final answer
    x = 45,576.23

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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.