Home / 85,668.26-118,226.07-47,942.51

Finding the Fourth Proportional to 85,668.26, 118,226.07 and 47,942.51

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Solution

The fourth proportional to 85,668.26, 118,226.07 and 47,942.51 is: 66,162.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,668.26 : 118,226.07 = 47,942.51 : x
  2. Step 2: Convert to fraction form
    85,668.26/118,226.07 = 47,942.51/x
  3. Step 3: Cross multiply
    85,668.26x = 118,226.07 × 47,942.51
  4. Step 4: Simplify right side
    85,668.26x = 5,668,054,303.52
  5. Step 5: Solve for x
    x = 5,668,054,303.52/85,668.26
  6. Step 6: Final answer
    x = 66,162.83

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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.