Home / 94,078.89-129,828.66-51,636.51

Finding the Fourth Proportional to 94,078.89, 129,828.66 and 51,636.51

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Solution

The fourth proportional to 94,078.89, 129,828.66 and 51,636.51 is: 71,258.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,078.89 : 129,828.66 = 51,636.51 : x
  2. Step 2: Convert to fraction form
    94,078.89/129,828.66 = 51,636.51/x
  3. Step 3: Cross multiply
    94,078.89x = 129,828.66 × 51,636.51
  4. Step 4: Simplify right side
    94,078.89x = 6,703,898,900.38
  5. Step 5: Solve for x
    x = 6,703,898,900.38/94,078.89
  6. Step 6: Final answer
    x = 71,258.27

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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.