Home / 76,034.04-114,012.12-40,515.60

Finding the Fourth Proportional to 76,034.04, 114,012.12 and 40,515.60

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Solution

The fourth proportional to 76,034.04, 114,012.12 and 40,515.60 is: 60,752.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,034.04 : 114,012.12 = 40,515.60 : x
  2. Step 2: Convert to fraction form
    76,034.04/114,012.12 = 40,515.60/x
  3. Step 3: Cross multiply
    76,034.04x = 114,012.12 × 40,515.60
  4. Step 4: Simplify right side
    76,034.04x = 4,619,269,449.07
  5. Step 5: Solve for x
    x = 4,619,269,449.07/76,034.04
  6. Step 6: Final answer
    x = 60,752.65

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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.