Home / 64,867.20-97,147.20-43,977.60

Finding the Fourth Proportional to 64,867.20, 97,147.20 and 43,977.60

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Solution

The fourth proportional to 64,867.20, 97,147.20 and 43,977.60 is: 65,862.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,867.20 : 97,147.20 = 43,977.60 : x
  2. Step 2: Convert to fraction form
    64,867.20/97,147.20 = 43,977.60/x
  3. Step 3: Cross multiply
    64,867.20x = 97,147.20 × 43,977.60
  4. Step 4: Simplify right side
    64,867.20x = 4,272,300,702.72
  5. Step 5: Solve for x
    x = 4,272,300,702.72/64,867.20
  6. Step 6: Final answer
    x = 65,862.26

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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.