Home / 55,077.11-76,006.14-31,203.73

Finding the Fourth Proportional to 55,077.11, 76,006.14 and 31,203.73

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Solution

The fourth proportional to 55,077.11, 76,006.14 and 31,203.73 is: 43,060.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,077.11 : 76,006.14 = 31,203.73 : x
  2. Step 2: Convert to fraction form
    55,077.11/76,006.14 = 31,203.73/x
  3. Step 3: Cross multiply
    55,077.11x = 76,006.14 × 31,203.73
  4. Step 4: Simplify right side
    55,077.11x = 2,371,675,070.90
  5. Step 5: Solve for x
    x = 2,371,675,070.90/55,077.11
  6. Step 6: Final answer
    x = 43,060.99

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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.