Home / 48,185.48-72,239.26-20,127.03

Finding the Fourth Proportional to 48,185.48, 72,239.26 and 20,127.03

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Solution

The fourth proportional to 48,185.48, 72,239.26 and 20,127.03 is: 30,174.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,185.48 : 72,239.26 = 20,127.03 : x
  2. Step 2: Convert to fraction form
    48,185.48/72,239.26 = 20,127.03/x
  3. Step 3: Cross multiply
    48,185.48x = 72,239.26 × 20,127.03
  4. Step 4: Simplify right side
    48,185.48x = 1,453,961,803.52
  5. Step 5: Solve for x
    x = 1,453,961,803.52/48,185.48
  6. Step 6: Final answer
    x = 30,174.27

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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.