Home / 55,898.49-77,139.54-31,704.06

Finding the Fourth Proportional to 55,898.49, 77,139.54 and 31,704.06

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Solution

The fourth proportional to 55,898.49, 77,139.54 and 31,704.06 is: 43,751.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,898.49 : 77,139.54 = 31,704.06 : x
  2. Step 2: Convert to fraction form
    55,898.49/77,139.54 = 31,704.06/x
  3. Step 3: Cross multiply
    55,898.49x = 77,139.54 × 31,704.06
  4. Step 4: Simplify right side
    55,898.49x = 2,445,636,604.53
  5. Step 5: Solve for x
    x = 2,445,636,604.53/55,898.49
  6. Step 6: Final answer
    x = 43,751.39

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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.