Home / 98,871.37-136,441.67-53,548.29

Finding the Fourth Proportional to 98,871.37, 136,441.67 and 53,548.29

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Solution

The fourth proportional to 98,871.37, 136,441.67 and 53,548.29 is: 73,896.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,871.37 : 136,441.67 = 53,548.29 : x
  2. Step 2: Convert to fraction form
    98,871.37/136,441.67 = 53,548.29/x
  3. Step 3: Cross multiply
    98,871.37x = 136,441.67 × 53,548.29
  4. Step 4: Simplify right side
    98,871.37x = 7,306,217,845.50
  5. Step 5: Solve for x
    x = 7,306,217,845.50/98,871.37
  6. Step 6: Final answer
    x = 73,896.19

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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.