Home / 65,638.24-98,478.96-26,173.60

Finding the Fourth Proportional to 65,638.24, 98,478.96 and 26,173.60

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Solution

The fourth proportional to 65,638.24, 98,478.96 and 26,173.60 is: 39,269.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,638.24 : 98,478.96 = 26,173.60 : x
  2. Step 2: Convert to fraction form
    65,638.24/98,478.96 = 26,173.60/x
  3. Step 3: Cross multiply
    65,638.24x = 98,478.96 × 26,173.60
  4. Step 4: Simplify right side
    65,638.24x = 2,577,548,907.46
  5. Step 5: Solve for x
    x = 2,577,548,907.46/65,638.24
  6. Step 6: Final answer
    x = 39,269.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.