Home / 73,038.78-109,570.29-25,641.57

Finding the Fourth Proportional to 73,038.78, 109,570.29 and 25,641.57

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Solution

The fourth proportional to 73,038.78, 109,570.29 and 25,641.57 is: 38,466.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,038.78 : 109,570.29 = 25,641.57 : x
  2. Step 2: Convert to fraction form
    73,038.78/109,570.29 = 25,641.57/x
  3. Step 3: Cross multiply
    73,038.78x = 109,570.29 × 25,641.57
  4. Step 4: Simplify right side
    73,038.78x = 2,809,554,260.96
  5. Step 5: Solve for x
    x = 2,809,554,260.96/73,038.78
  6. Step 6: Final answer
    x = 38,466.61

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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.