Home / 76,200.12-114,244.80-31,839.57

Finding the Fourth Proportional to 76,200.12, 114,244.80 and 31,839.57

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Solution

The fourth proportional to 76,200.12, 114,244.80 and 31,839.57 is: 47,736.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,200.12 : 114,244.80 = 31,839.57 : x
  2. Step 2: Convert to fraction form
    76,200.12/114,244.80 = 31,839.57/x
  3. Step 3: Cross multiply
    76,200.12x = 114,244.80 × 31,839.57
  4. Step 4: Simplify right side
    76,200.12x = 3,637,505,306.74
  5. Step 5: Solve for x
    x = 3,637,505,306.74/76,200.12
  6. Step 6: Final answer
    x = 47,736.21

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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.