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Finding the Fourth Proportional to 65,578.80, 97,745.64 and 63,418.80

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Solution

The fourth proportional to 65,578.80, 97,745.64 and 63,418.80 is: 94,526.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,578.80 : 97,745.64 = 63,418.80 : x
  2. Step 2: Convert to fraction form
    65,578.80/97,745.64 = 63,418.80/x
  3. Step 3: Cross multiply
    65,578.80x = 97,745.64 × 63,418.80
  4. Step 4: Simplify right side
    65,578.80x = 6,198,911,194.03
  5. Step 5: Solve for x
    x = 6,198,911,194.03/65,578.80
  6. Step 6: Final answer
    x = 94,526.15

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.