Home / 65,717.63-98,782.20-43,371.90

Finding the Fourth Proportional to 65,717.63, 98,782.20 and 43,371.90

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Solution

The fourth proportional to 65,717.63, 98,782.20 and 43,371.90 is: 65,193.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,717.63 : 98,782.20 = 43,371.90 : x
  2. Step 2: Convert to fraction form
    65,717.63/98,782.20 = 43,371.90/x
  3. Step 3: Cross multiply
    65,717.63x = 98,782.20 × 43,371.90
  4. Step 4: Simplify right side
    65,717.63x = 4,284,371,700.18
  5. Step 5: Solve for x
    x = 4,284,371,700.18/65,717.63
  6. Step 6: Final answer
    x = 65,193.65

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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.