Home / 80,858.25-111,585.47-46,869.17

Finding the Fourth Proportional to 80,858.25, 111,585.47 and 46,869.17

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Solution

The fourth proportional to 80,858.25, 111,585.47 and 46,869.17 is: 64,680.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,858.25 : 111,585.47 = 46,869.17 : x
  2. Step 2: Convert to fraction form
    80,858.25/111,585.47 = 46,869.17/x
  3. Step 3: Cross multiply
    80,858.25x = 111,585.47 × 46,869.17
  4. Step 4: Simplify right side
    80,858.25x = 5,229,917,570.69
  5. Step 5: Solve for x
    x = 5,229,917,570.69/80,858.25
  6. Step 6: Final answer
    x = 64,680.07

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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.