Home / 45,735.15-62,974.32-40,038.02

Finding the Fourth Proportional to 45,735.15, 62,974.32 and 40,038.02

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Solution

The fourth proportional to 45,735.15, 62,974.32 and 40,038.02 is: 55,129.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,735.15 : 62,974.32 = 40,038.02 : x
  2. Step 2: Convert to fraction form
    45,735.15/62,974.32 = 40,038.02/x
  3. Step 3: Cross multiply
    45,735.15x = 62,974.32 × 40,038.02
  4. Step 4: Simplify right side
    45,735.15x = 2,521,367,083.65
  5. Step 5: Solve for x
    x = 2,521,367,083.65/45,735.15
  6. Step 6: Final answer
    x = 55,129.74

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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.