Home / 64,897.20-97,418.70-35,299.80

Finding the Fourth Proportional to 64,897.20, 97,418.70 and 35,299.80

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Solution

The fourth proportional to 64,897.20, 97,418.70 and 35,299.80 is: 52,989.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,897.20 : 97,418.70 = 35,299.80 : x
  2. Step 2: Convert to fraction form
    64,897.20/97,418.70 = 35,299.80/x
  3. Step 3: Cross multiply
    64,897.20x = 97,418.70 × 35,299.80
  4. Step 4: Simplify right side
    64,897.20x = 3,438,860,626.26
  5. Step 5: Solve for x
    x = 3,438,860,626.26/64,897.20
  6. Step 6: Final answer
    x = 52,989.35

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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.