Home / 86,693.13-130,039.29-27,533.37

Finding the Fourth Proportional to 86,693.13, 130,039.29 and 27,533.37

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Solution

The fourth proportional to 86,693.13, 130,039.29 and 27,533.37 is: 41,299.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,693.13 : 130,039.29 = 27,533.37 : x
  2. Step 2: Convert to fraction form
    86,693.13/130,039.29 = 27,533.37/x
  3. Step 3: Cross multiply
    86,693.13x = 130,039.29 × 27,533.37
  4. Step 4: Simplify right side
    86,693.13x = 3,580,419,304.74
  5. Step 5: Solve for x
    x = 3,580,419,304.74/86,693.13
  6. Step 6: Final answer
    x = 41,299.92

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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.