Home / 84,257.51-116,274.38-48,447.65

Finding the Fourth Proportional to 84,257.51, 116,274.38 and 48,447.65

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Solution

The fourth proportional to 84,257.51, 116,274.38 and 48,447.65 is: 66,857.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,257.51 : 116,274.38 = 48,447.65 : x
  2. Step 2: Convert to fraction form
    84,257.51/116,274.38 = 48,447.65/x
  3. Step 3: Cross multiply
    84,257.51x = 116,274.38 × 48,447.65
  4. Step 4: Simplify right side
    84,257.51x = 5,633,219,642.60
  5. Step 5: Solve for x
    x = 5,633,219,642.60/84,257.51
  6. Step 6: Final answer
    x = 66,857.19

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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.