Home / 86,054.40-118,734.30-50,223.96

Finding the Fourth Proportional to 86,054.40, 118,734.30 and 50,223.96

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Solution

The fourth proportional to 86,054.40, 118,734.30 and 50,223.96 is: 69,296.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,054.40 : 118,734.30 = 50,223.96 : x
  2. Step 2: Convert to fraction form
    86,054.40/118,734.30 = 50,223.96/x
  3. Step 3: Cross multiply
    86,054.40x = 118,734.30 × 50,223.96
  4. Step 4: Simplify right side
    86,054.40x = 5,963,306,733.83
  5. Step 5: Solve for x
    x = 5,963,306,733.83/86,054.40
  6. Step 6: Final answer
    x = 69,296.94

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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.