Home / 80,756.41-121,001.31-46,927.46

Finding the Fourth Proportional to 80,756.41, 121,001.31 and 46,927.46

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Solution

The fourth proportional to 80,756.41, 121,001.31 and 46,927.46 is: 70,313.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,756.41 : 121,001.31 = 46,927.46 : x
  2. Step 2: Convert to fraction form
    80,756.41/121,001.31 = 46,927.46/x
  3. Step 3: Cross multiply
    80,756.41x = 121,001.31 × 46,927.46
  4. Step 4: Simplify right side
    80,756.41x = 5,678,284,134.97
  5. Step 5: Solve for x
    x = 5,678,284,134.97/80,756.41
  6. Step 6: Final answer
    x = 70,313.73

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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.