Home / 65,829.20-98,743.80-52,707.20

Finding the Fourth Proportional to 65,829.20, 98,743.80 and 52,707.20

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Solution

The fourth proportional to 65,829.20, 98,743.80 and 52,707.20 is: 79,060.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,829.20 : 98,743.80 = 52,707.20 : x
  2. Step 2: Convert to fraction form
    65,829.20/98,743.80 = 52,707.20/x
  3. Step 3: Cross multiply
    65,829.20x = 98,743.80 × 52,707.20
  4. Step 4: Simplify right side
    65,829.20x = 5,204,509,215.36
  5. Step 5: Solve for x
    x = 5,204,509,215.36/65,829.20
  6. Step 6: Final answer
    x = 79,060.80

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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.