Home / 84,406.19-116,478.56-46,679.63

Finding the Fourth Proportional to 84,406.19, 116,478.56 and 46,679.63

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Solution

The fourth proportional to 84,406.19, 116,478.56 and 46,679.63 is: 64,416.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,406.19 : 116,478.56 = 46,679.63 : x
  2. Step 2: Convert to fraction form
    84,406.19/116,478.56 = 46,679.63/x
  3. Step 3: Cross multiply
    84,406.19x = 116,478.56 × 46,679.63
  4. Step 4: Simplify right side
    84,406.19x = 5,437,175,850.33
  5. Step 5: Solve for x
    x = 5,437,175,850.33/84,406.19
  6. Step 6: Final answer
    x = 64,416.79

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1.5x scale

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.