Home / 58,199.36-87,304.44-18,747.20

Finding the Fourth Proportional to 58,199.36, 87,304.44 and 18,747.20

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Solution

The fourth proportional to 58,199.36, 87,304.44 and 18,747.20 is: 28,122.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,199.36 : 87,304.44 = 18,747.20 : x
  2. Step 2: Convert to fraction form
    58,199.36/87,304.44 = 18,747.20/x
  3. Step 3: Cross multiply
    58,199.36x = 87,304.44 × 18,747.20
  4. Step 4: Simplify right side
    58,199.36x = 1,636,713,797.57
  5. Step 5: Solve for x
    x = 1,636,713,797.57/58,199.36
  6. Step 6: Final answer
    x = 28,122.54

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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.