Home / 83,868.36-115,735.68-46,142.40

Finding the Fourth Proportional to 83,868.36, 115,735.68 and 46,142.40

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Solution

The fourth proportional to 83,868.36, 115,735.68 and 46,142.40 is: 63,675.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,868.36 : 115,735.68 = 46,142.40 : x
  2. Step 2: Convert to fraction form
    83,868.36/115,735.68 = 46,142.40/x
  3. Step 3: Cross multiply
    83,868.36x = 115,735.68 × 46,142.40
  4. Step 4: Simplify right side
    83,868.36x = 5,340,322,040.83
  5. Step 5: Solve for x
    x = 5,340,322,040.83/83,868.36
  6. Step 6: Final answer
    x = 63,675.05

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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.