Home / 54,889.36-75,746.33-31,015.53

Finding the Fourth Proportional to 54,889.36, 75,746.33 and 31,015.53

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Solution

The fourth proportional to 54,889.36, 75,746.33 and 31,015.53 is: 42,800.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,889.36 : 75,746.33 = 31,015.53 : x
  2. Step 2: Convert to fraction form
    54,889.36/75,746.33 = 31,015.53/x
  3. Step 3: Cross multiply
    54,889.36x = 75,746.33 × 31,015.53
  4. Step 4: Simplify right side
    54,889.36x = 2,349,312,570.50
  5. Step 5: Solve for x
    x = 2,349,312,570.50/54,889.36
  6. Step 6: Final answer
    x = 42,800.87

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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.