Home / 65,486.49-98,147.50-28,002.53

Finding the Fourth Proportional to 65,486.49, 98,147.50 and 28,002.53

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Solution

The fourth proportional to 65,486.49, 98,147.50 and 28,002.53 is: 41,968.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,486.49 : 98,147.50 = 28,002.53 : x
  2. Step 2: Convert to fraction form
    65,486.49/98,147.50 = 28,002.53/x
  3. Step 3: Cross multiply
    65,486.49x = 98,147.50 × 28,002.53
  4. Step 4: Simplify right side
    65,486.49x = 2,748,378,173.16
  5. Step 5: Solve for x
    x = 2,748,378,173.16/65,486.49
  6. Step 6: Final answer
    x = 41,968.63

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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.