Home / 65,555.20-98,357.10-26,140.60

Finding the Fourth Proportional to 65,555.20, 98,357.10 and 26,140.60

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Solution

The fourth proportional to 65,555.20, 98,357.10 and 26,140.60 is: 39,220.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,555.20 : 98,357.10 = 26,140.60 : x
  2. Step 2: Convert to fraction form
    65,555.20/98,357.10 = 26,140.60/x
  3. Step 3: Cross multiply
    65,555.20x = 98,357.10 × 26,140.60
  4. Step 4: Simplify right side
    65,555.20x = 2,571,113,608.26
  5. Step 5: Solve for x
    x = 2,571,113,608.26/65,555.20
  6. Step 6: Final answer
    x = 39,220.59

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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.