Home / 99,236.93-136,947.93-53,915.27

Finding the Fourth Proportional to 99,236.93, 136,947.93 and 53,915.27

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Solution

The fourth proportional to 99,236.93, 136,947.93 and 53,915.27 is: 74,403.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,236.93 : 136,947.93 = 53,915.27 : x
  2. Step 2: Convert to fraction form
    99,236.93/136,947.93 = 53,915.27/x
  3. Step 3: Cross multiply
    99,236.93x = 136,947.93 × 53,915.27
  4. Step 4: Simplify right side
    99,236.93x = 7,383,583,937.15
  5. Step 5: Solve for x
    x = 7,383,583,937.15/99,236.93
  6. Step 6: Final answer
    x = 74,403.59

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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.