Home / 48,150.36-72,147.78-18,533.52

Finding the Fourth Proportional to 48,150.36, 72,147.78 and 18,533.52

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Solution

The fourth proportional to 48,150.36, 72,147.78 and 18,533.52 is: 27,770.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,150.36 : 72,147.78 = 18,533.52 : x
  2. Step 2: Convert to fraction form
    48,150.36/72,147.78 = 18,533.52/x
  3. Step 3: Cross multiply
    48,150.36x = 72,147.78 × 18,533.52
  4. Step 4: Simplify right side
    48,150.36x = 1,337,152,323.59
  5. Step 5: Solve for x
    x = 1,337,152,323.59/48,150.36
  6. Step 6: Final answer
    x = 27,770.35

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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.