Home / 84,857.51-117,090.37-49,040.62

Finding the Fourth Proportional to 84,857.51, 117,090.37 and 49,040.62

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Solution

The fourth proportional to 84,857.51, 117,090.37 and 49,040.62 is: 67,668.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,857.51 : 117,090.37 = 49,040.62 : x
  2. Step 2: Convert to fraction form
    84,857.51/117,090.37 = 49,040.62/x
  3. Step 3: Cross multiply
    84,857.51x = 117,090.37 × 49,040.62
  4. Step 4: Simplify right side
    84,857.51x = 5,742,183,925.50
  5. Step 5: Solve for x
    x = 5,742,183,925.50/84,857.51
  6. Step 6: Final answer
    x = 67,668.54

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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.