Home / 98,117.64-135,405.60-55,677.96

Finding the Fourth Proportional to 98,117.64, 135,405.60 and 55,677.96

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Solution

The fourth proportional to 98,117.64, 135,405.60 and 55,677.96 is: 76,837.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,117.64 : 135,405.60 = 55,677.96 : x
  2. Step 2: Convert to fraction form
    98,117.64/135,405.60 = 55,677.96/x
  3. Step 3: Cross multiply
    98,117.64x = 135,405.60 × 55,677.96
  4. Step 4: Simplify right side
    98,117.64x = 7,539,107,580.58
  5. Step 5: Solve for x
    x = 7,539,107,580.58/98,117.64
  6. Step 6: Final answer
    x = 76,837.43

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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.