Home / 98,541.54-135,976.32-55,522.98

Finding the Fourth Proportional to 98,541.54, 135,976.32 and 55,522.98

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Solution

The fourth proportional to 98,541.54, 135,976.32 and 55,522.98 is: 76,615.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,541.54 : 135,976.32 = 55,522.98 : x
  2. Step 2: Convert to fraction form
    98,541.54/135,976.32 = 55,522.98/x
  3. Step 3: Cross multiply
    98,541.54x = 135,976.32 × 55,522.98
  4. Step 4: Simplify right side
    98,541.54x = 7,549,810,495.83
  5. Step 5: Solve for x
    x = 7,549,810,495.83/98,541.54
  6. Step 6: Final answer
    x = 76,615.51

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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.