Home / 65,169.63-89,977.64-43,941.15

Finding the Fourth Proportional to 65,169.63, 89,977.64 and 43,941.15

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Solution

The fourth proportional to 65,169.63, 89,977.64 and 43,941.15 is: 60,668.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,169.63 : 89,977.64 = 43,941.15 : x
  2. Step 2: Convert to fraction form
    65,169.63/89,977.64 = 43,941.15/x
  3. Step 3: Cross multiply
    65,169.63x = 89,977.64 × 43,941.15
  4. Step 4: Simplify right side
    65,169.63x = 3,953,720,756.18
  5. Step 5: Solve for x
    x = 3,953,720,756.18/65,169.63
  6. Step 6: Final answer
    x = 60,668.15

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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.