Home / 55,168.02-76,130.37-30,016.98

Finding the Fourth Proportional to 55,168.02, 76,130.37 and 30,016.98

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Solution

The fourth proportional to 55,168.02, 76,130.37 and 30,016.98 is: 41,422.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,168.02 : 76,130.37 = 30,016.98 : x
  2. Step 2: Convert to fraction form
    55,168.02/76,130.37 = 30,016.98/x
  3. Step 3: Cross multiply
    55,168.02x = 76,130.37 × 30,016.98
  4. Step 4: Simplify right side
    55,168.02x = 2,285,203,793.68
  5. Step 5: Solve for x
    x = 2,285,203,793.68/55,168.02
  6. Step 6: Final answer
    x = 41,422.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.