Home / 86,833.36-130,101.52-47,418.24

Finding the Fourth Proportional to 86,833.36, 130,101.52 and 47,418.24

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Solution

The fourth proportional to 86,833.36, 130,101.52 and 47,418.24 is: 71,046.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,833.36 : 130,101.52 = 47,418.24 : x
  2. Step 2: Convert to fraction form
    86,833.36/130,101.52 = 47,418.24/x
  3. Step 3: Cross multiply
    86,833.36x = 130,101.52 × 47,418.24
  4. Step 4: Simplify right side
    86,833.36x = 6,169,185,099.72
  5. Step 5: Solve for x
    x = 6,169,185,099.72/86,833.36
  6. Step 6: Final answer
    x = 71,046.26

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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.