Home / 86,927.52-130,390.20-27,762.42

Finding the Fourth Proportional to 86,927.52, 130,390.20 and 27,762.42

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Solution

The fourth proportional to 86,927.52, 130,390.20 and 27,762.42 is: 41,643.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,927.52 : 130,390.20 = 27,762.42 : x
  2. Step 2: Convert to fraction form
    86,927.52/130,390.20 = 27,762.42/x
  3. Step 3: Cross multiply
    86,927.52x = 130,390.20 × 27,762.42
  4. Step 4: Simplify right side
    86,927.52x = 3,619,947,496.28
  5. Step 5: Solve for x
    x = 3,619,947,496.28/86,927.52
  6. Step 6: Final answer
    x = 41,643.29

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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.