Home / 96,943.80-145,415.70-57,622.20

Finding the Fourth Proportional to 96,943.80, 145,415.70 and 57,622.20

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Solution

The fourth proportional to 96,943.80, 145,415.70 and 57,622.20 is: 86,433.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,943.80 : 145,415.70 = 57,622.20 : x
  2. Step 2: Convert to fraction form
    96,943.80/145,415.70 = 57,622.20/x
  3. Step 3: Cross multiply
    96,943.80x = 145,415.70 × 57,622.20
  4. Step 4: Simplify right side
    96,943.80x = 8,379,172,548.54
  5. Step 5: Solve for x
    x = 8,379,172,548.54/96,943.80
  6. Step 6: Final answer
    x = 86,433.30

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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.