Home / 81,908.07-113,036.76-46,100.40

Finding the Fourth Proportional to 81,908.07, 113,036.76 and 46,100.40

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Solution

The fourth proportional to 81,908.07, 113,036.76 and 46,100.40 is: 63,620.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,908.07 : 113,036.76 = 46,100.40 : x
  2. Step 2: Convert to fraction form
    81,908.07/113,036.76 = 46,100.40/x
  3. Step 3: Cross multiply
    81,908.07x = 113,036.76 × 46,100.40
  4. Step 4: Simplify right side
    81,908.07x = 5,211,039,850.70
  5. Step 5: Solve for x
    x = 5,211,039,850.70/81,908.07
  6. Step 6: Final answer
    x = 63,620.59

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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.