Home / 55,970.62-77,235.19-31,768.74

Finding the Fourth Proportional to 55,970.62, 77,235.19 and 31,768.74

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Solution

The fourth proportional to 55,970.62, 77,235.19 and 31,768.74 is: 43,838.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,970.62 : 77,235.19 = 31,768.74 : x
  2. Step 2: Convert to fraction form
    55,970.62/77,235.19 = 31,768.74/x
  3. Step 3: Cross multiply
    55,970.62x = 77,235.19 × 31,768.74
  4. Step 4: Simplify right side
    55,970.62x = 2,453,664,590.54
  5. Step 5: Solve for x
    x = 2,453,664,590.54/55,970.62
  6. Step 6: Final answer
    x = 43,838.44

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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.