Home / 84,857.29-117,090.06-49,040.39

Finding the Fourth Proportional to 84,857.29, 117,090.06 and 49,040.39

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Solution

The fourth proportional to 84,857.29, 117,090.06 and 49,040.39 is: 67,668.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,857.29 : 117,090.06 = 49,040.39 : x
  2. Step 2: Convert to fraction form
    84,857.29/117,090.06 = 49,040.39/x
  3. Step 3: Cross multiply
    84,857.29x = 117,090.06 × 49,040.39
  4. Step 4: Simplify right side
    84,857.29x = 5,742,142,316.35
  5. Step 5: Solve for x
    x = 5,742,142,316.35/84,857.29
  6. Step 6: Final answer
    x = 67,668.22

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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.