Home / 62,661.16-86,388.66-49,783.12

Finding the Fourth Proportional to 62,661.16, 86,388.66 and 49,783.12

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Solution

The fourth proportional to 62,661.16, 86,388.66 and 49,783.12 is: 68,634.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,661.16 : 86,388.66 = 49,783.12 : x
  2. Step 2: Convert to fraction form
    62,661.16/86,388.66 = 49,783.12/x
  3. Step 3: Cross multiply
    62,661.16x = 86,388.66 × 49,783.12
  4. Step 4: Simplify right side
    62,661.16x = 4,300,697,027.42
  5. Step 5: Solve for x
    x = 4,300,697,027.42/62,661.16
  6. Step 6: Final answer
    x = 68,634.18

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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.