Home / 55,852.56-77,077.92-30,702.06

Finding the Fourth Proportional to 55,852.56, 77,077.92 and 30,702.06

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Solution

The fourth proportional to 55,852.56, 77,077.92 and 30,702.06 is: 42,369.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,852.56 : 77,077.92 = 30,702.06 : x
  2. Step 2: Convert to fraction form
    55,852.56/77,077.92 = 30,702.06/x
  3. Step 3: Cross multiply
    55,852.56x = 77,077.92 × 30,702.06
  4. Step 4: Simplify right side
    55,852.56x = 2,366,450,924.52
  5. Step 5: Solve for x
    x = 2,366,450,924.52/55,852.56
  6. Step 6: Final answer
    x = 42,369.61

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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.