Home / 54,737.30-81,945.90-49,484.34

Finding the Fourth Proportional to 54,737.30, 81,945.90 and 49,484.34

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Solution

The fourth proportional to 54,737.30, 81,945.90 and 49,484.34 is: 74,081.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,737.30 : 81,945.90 = 49,484.34 : x
  2. Step 2: Convert to fraction form
    54,737.30/81,945.90 = 49,484.34/x
  3. Step 3: Cross multiply
    54,737.30x = 81,945.90 × 49,484.34
  4. Step 4: Simplify right side
    54,737.30x = 4,055,038,777.21
  5. Step 5: Solve for x
    x = 4,055,038,777.21/54,737.30
  6. Step 6: Final answer
    x = 74,081.82

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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.