Home / 86,033.29-118,729.31-58,866.36

Finding the Fourth Proportional to 86,033.29, 118,729.31 and 58,866.36

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Solution

The fourth proportional to 86,033.29, 118,729.31 and 58,866.36 is: 81,237.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,033.29 : 118,729.31 = 58,866.36 : x
  2. Step 2: Convert to fraction form
    86,033.29/118,729.31 = 58,866.36/x
  3. Step 3: Cross multiply
    86,033.29x = 118,729.31 × 58,866.36
  4. Step 4: Simplify right side
    86,033.29x = 6,989,162,305.01
  5. Step 5: Solve for x
    x = 6,989,162,305.01/86,033.29
  6. Step 6: Final answer
    x = 81,237.88

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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.