Home / 64,309.42-88,668.57-47,261.75

Finding the Fourth Proportional to 64,309.42, 88,668.57 and 47,261.75

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Solution

The fourth proportional to 64,309.42, 88,668.57 and 47,261.75 is: 65,163.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,309.42 : 88,668.57 = 47,261.75 : x
  2. Step 2: Convert to fraction form
    64,309.42/88,668.57 = 47,261.75/x
  3. Step 3: Cross multiply
    64,309.42x = 88,668.57 × 47,261.75
  4. Step 4: Simplify right side
    64,309.42x = 4,190,631,788.20
  5. Step 5: Solve for x
    x = 4,190,631,788.20/64,309.42
  6. Step 6: Final answer
    x = 65,163.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.