Home / 55,092.12-76,024.11-31,218.27

Finding the Fourth Proportional to 55,092.12, 76,024.11 and 31,218.27

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Solution

The fourth proportional to 55,092.12, 76,024.11 and 31,218.27 is: 43,079.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,092.12 : 76,024.11 = 31,218.27 : x
  2. Step 2: Convert to fraction form
    55,092.12/76,024.11 = 31,218.27/x
  3. Step 3: Cross multiply
    55,092.12x = 76,024.11 × 31,218.27
  4. Step 4: Simplify right side
    55,092.12x = 2,373,341,192.49
  5. Step 5: Solve for x
    x = 2,373,341,192.49/55,092.12
  6. Step 6: Final answer
    x = 43,079.50

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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.