Home / 55,971.69-77,235.06-31,764.95

Finding the Fourth Proportional to 55,971.69, 77,235.06 and 31,764.95

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Solution

The fourth proportional to 55,971.69, 77,235.06 and 31,764.95 is: 43,832.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,971.69 : 77,235.06 = 31,764.95 : x
  2. Step 2: Convert to fraction form
    55,971.69/77,235.06 = 31,764.95/x
  3. Step 3: Cross multiply
    55,971.69x = 77,235.06 × 31,764.95
  4. Step 4: Simplify right side
    55,971.69x = 2,453,367,432.97
  5. Step 5: Solve for x
    x = 2,453,367,432.97/55,971.69
  6. Step 6: Final answer
    x = 43,832.29

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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.