Home / 88,781.06-122,521.52-51,055.31

Finding the Fourth Proportional to 88,781.06, 122,521.52 and 51,055.31

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Solution

The fourth proportional to 88,781.06, 122,521.52 and 51,055.31 is: 70,458.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,781.06 : 122,521.52 = 51,055.31 : x
  2. Step 2: Convert to fraction form
    88,781.06/122,521.52 = 51,055.31/x
  3. Step 3: Cross multiply
    88,781.06x = 122,521.52 × 51,055.31
  4. Step 4: Simplify right side
    88,781.06x = 6,255,374,619.21
  5. Step 5: Solve for x
    x = 6,255,374,619.21/88,781.06
  6. Step 6: Final answer
    x = 70,458.43

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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.