Home / 76,480.42-114,732.30-39,020.07

Finding the Fourth Proportional to 76,480.42, 114,732.30 and 39,020.07

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Solution

The fourth proportional to 76,480.42, 114,732.30 and 39,020.07 is: 58,536.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,480.42 : 114,732.30 = 39,020.07 : x
  2. Step 2: Convert to fraction form
    76,480.42/114,732.30 = 39,020.07/x
  3. Step 3: Cross multiply
    76,480.42x = 114,732.30 × 39,020.07
  4. Step 4: Simplify right side
    76,480.42x = 4,476,861,927.63
  5. Step 5: Solve for x
    x = 4,476,861,927.63/76,480.42
  6. Step 6: Final answer
    x = 58,536.06

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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.