Home / 98,869.21-136,438.83-53,546.16

Finding the Fourth Proportional to 98,869.21, 136,438.83 and 53,546.16

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Solution

The fourth proportional to 98,869.21, 136,438.83 and 53,546.16 is: 73,893.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,869.21 : 136,438.83 = 53,546.16 : x
  2. Step 2: Convert to fraction form
    98,869.21/136,438.83 = 53,546.16/x
  3. Step 3: Cross multiply
    98,869.21x = 136,438.83 × 53,546.16
  4. Step 4: Simplify right side
    98,869.21x = 7,305,774,909.75
  5. Step 5: Solve for x
    x = 7,305,774,909.75/98,869.21
  6. Step 6: Final answer
    x = 73,893.33

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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.