Home / 54,890.37-75,750.21-31,016.52

Finding the Fourth Proportional to 54,890.37, 75,750.21 and 31,016.52

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Solution

The fourth proportional to 54,890.37, 75,750.21 and 31,016.52 is: 42,803.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,890.37 : 75,750.21 = 31,016.52 : x
  2. Step 2: Convert to fraction form
    54,890.37/75,750.21 = 31,016.52/x
  3. Step 3: Cross multiply
    54,890.37x = 75,750.21 × 31,016.52
  4. Step 4: Simplify right side
    54,890.37x = 2,349,507,903.47
  5. Step 5: Solve for x
    x = 2,349,507,903.47/54,890.37
  6. Step 6: Final answer
    x = 42,803.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.