Home / 81,920.75-113,050.89-46,111.32

Finding the Fourth Proportional to 81,920.75, 113,050.89 and 46,111.32

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Solution

The fourth proportional to 81,920.75, 113,050.89 and 46,111.32 is: 63,633.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,920.75 : 113,050.89 = 46,111.32 : x
  2. Step 2: Convert to fraction form
    81,920.75/113,050.89 = 46,111.32/x
  3. Step 3: Cross multiply
    81,920.75x = 113,050.89 × 46,111.32
  4. Step 4: Simplify right side
    81,920.75x = 5,212,925,765.07
  5. Step 5: Solve for x
    x = 5,212,925,765.07/81,920.75
  6. Step 6: Final answer
    x = 63,633.77

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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.