Home / 84,816.79-117,047.28-46,578.81

Finding the Fourth Proportional to 84,816.79, 117,047.28 and 46,578.81

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Solution

The fourth proportional to 84,816.79, 117,047.28 and 46,578.81 is: 64,278.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,816.79 : 117,047.28 = 46,578.81 : x
  2. Step 2: Convert to fraction form
    84,816.79/117,047.28 = 46,578.81/x
  3. Step 3: Cross multiply
    84,816.79x = 117,047.28 × 46,578.81
  4. Step 4: Simplify right side
    84,816.79x = 5,451,922,314.45
  5. Step 5: Solve for x
    x = 5,451,922,314.45/84,816.79
  6. Step 6: Final answer
    x = 64,278.81

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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.