Home / 54,889.04-75,745.88-31,015.19

Finding the Fourth Proportional to 54,889.04, 75,745.88 and 31,015.19

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Solution

The fourth proportional to 54,889.04, 75,745.88 and 31,015.19 is: 42,800.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,889.04 : 75,745.88 = 31,015.19 : x
  2. Step 2: Convert to fraction form
    54,889.04/75,745.88 = 31,015.19/x
  3. Step 3: Cross multiply
    54,889.04x = 75,745.88 × 31,015.19
  4. Step 4: Simplify right side
    54,889.04x = 2,349,273,126.82
  5. Step 5: Solve for x
    x = 2,349,273,126.82/54,889.04
  6. Step 6: Final answer
    x = 42,800.41

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1.5x scale

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.