Home / 66,518.28-99,814.68-35,352.72

Finding the Fourth Proportional to 66,518.28, 99,814.68 and 35,352.72

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Solution

The fourth proportional to 66,518.28, 99,814.68 and 35,352.72 is: 53,048.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,518.28 : 99,814.68 = 35,352.72 : x
  2. Step 2: Convert to fraction form
    66,518.28/99,814.68 = 35,352.72/x
  3. Step 3: Cross multiply
    66,518.28x = 99,814.68 × 35,352.72
  4. Step 4: Simplify right side
    66,518.28x = 3,528,720,433.93
  5. Step 5: Solve for x
    x = 3,528,720,433.93/66,518.28
  6. Step 6: Final answer
    x = 53,048.88

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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.