Home / 65,945.56-98,878.47-25,916.64

Finding the Fourth Proportional to 65,945.56, 98,878.47 and 25,916.64

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Solution

The fourth proportional to 65,945.56, 98,878.47 and 25,916.64 is: 38,859.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,945.56 : 98,878.47 = 25,916.64 : x
  2. Step 2: Convert to fraction form
    65,945.56/98,878.47 = 25,916.64/x
  3. Step 3: Cross multiply
    65,945.56x = 98,878.47 × 25,916.64
  4. Step 4: Simplify right side
    65,945.56x = 2,562,597,710.74
  5. Step 5: Solve for x
    x = 2,562,597,710.74/65,945.56
  6. Step 6: Final answer
    x = 38,859.29

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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.