Home / 76,012.16-114,020.20-36,021.76

Finding the Fourth Proportional to 76,012.16, 114,020.20 and 36,021.76

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Solution

The fourth proportional to 76,012.16, 114,020.20 and 36,021.76 is: 54,033.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,012.16 : 114,020.20 = 36,021.76 : x
  2. Step 2: Convert to fraction form
    76,012.16/114,020.20 = 36,021.76/x
  3. Step 3: Cross multiply
    76,012.16x = 114,020.20 × 36,021.76
  4. Step 4: Simplify right side
    76,012.16x = 4,107,208,279.55
  5. Step 5: Solve for x
    x = 4,107,208,279.55/76,012.16
  6. Step 6: Final answer
    x = 54,033.57

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1.5x scale

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.