Home / 86,028.93-129,040.70-23,698.89

Finding the Fourth Proportional to 86,028.93, 129,040.70 and 23,698.89

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Solution

The fourth proportional to 86,028.93, 129,040.70 and 23,698.89 is: 35,547.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,028.93 : 129,040.70 = 23,698.89 : x
  2. Step 2: Convert to fraction form
    86,028.93/129,040.70 = 23,698.89/x
  3. Step 3: Cross multiply
    86,028.93x = 129,040.70 × 23,698.89
  4. Step 4: Simplify right side
    86,028.93x = 3,058,121,236.33
  5. Step 5: Solve for x
    x = 3,058,121,236.33/86,028.93
  6. Step 6: Final answer
    x = 35,547.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.