Home / 81,948.69-113,091.39-46,140.06

Finding the Fourth Proportional to 81,948.69, 113,091.39 and 46,140.06

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Solution

The fourth proportional to 81,948.69, 113,091.39 and 46,140.06 is: 63,674.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,948.69 : 113,091.39 = 46,140.06 : x
  2. Step 2: Convert to fraction form
    81,948.69/113,091.39 = 46,140.06/x
  3. Step 3: Cross multiply
    81,948.69x = 113,091.39 × 46,140.06
  4. Step 4: Simplify right side
    81,948.69x = 5,218,043,520.08
  5. Step 5: Solve for x
    x = 5,218,043,520.08/81,948.69
  6. Step 6: Final answer
    x = 63,674.52

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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.