Home / 76,393.04-114,453.96-31,921.76

Finding the Fourth Proportional to 76,393.04, 114,453.96 and 31,921.76

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Solution

The fourth proportional to 76,393.04, 114,453.96 and 31,921.76 is: 47,825.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,393.04 : 114,453.96 = 31,921.76 : x
  2. Step 2: Convert to fraction form
    76,393.04/114,453.96 = 31,921.76/x
  3. Step 3: Cross multiply
    76,393.04x = 114,453.96 × 31,921.76
  4. Step 4: Simplify right side
    76,393.04x = 3,653,571,842.17
  5. Step 5: Solve for x
    x = 3,653,571,842.17/76,393.04
  6. Step 6: Final answer
    x = 47,825.98

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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.