Home / 96,715.06-145,025.92-40,540.08

Finding the Fourth Proportional to 96,715.06, 145,025.92 and 40,540.08

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Solution

The fourth proportional to 96,715.06, 145,025.92 and 40,540.08 is: 60,790.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,715.06 : 145,025.92 = 40,540.08 : x
  2. Step 2: Convert to fraction form
    96,715.06/145,025.92 = 40,540.08/x
  3. Step 3: Cross multiply
    96,715.06x = 145,025.92 × 40,540.08
  4. Step 4: Simplify right side
    96,715.06x = 5,879,362,931.98
  5. Step 5: Solve for x
    x = 5,879,362,931.98/96,715.06
  6. Step 6: Final answer
    x = 60,790.56

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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.