Home / 84,851.34-117,016.61-57,668.14

Finding the Fourth Proportional to 84,851.34, 117,016.61 and 57,668.14

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Solution

The fourth proportional to 84,851.34, 117,016.61 and 57,668.14 is: 79,528.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,851.34 : 117,016.61 = 57,668.14 : x
  2. Step 2: Convert to fraction form
    84,851.34/117,016.61 = 57,668.14/x
  3. Step 3: Cross multiply
    84,851.34x = 117,016.61 × 57,668.14
  4. Step 4: Simplify right side
    84,851.34x = 6,748,130,247.81
  5. Step 5: Solve for x
    x = 6,748,130,247.81/84,851.34
  6. Step 6: Final answer
    x = 79,528.86

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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.