Home / 81,592.31-122,576.09-57,957.32

Finding the Fourth Proportional to 81,592.31, 122,576.09 and 57,957.32

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Solution

The fourth proportional to 81,592.31, 122,576.09 and 57,957.32 is: 87,069.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,592.31 : 122,576.09 = 57,957.32 : x
  2. Step 2: Convert to fraction form
    81,592.31/122,576.09 = 57,957.32/x
  3. Step 3: Cross multiply
    81,592.31x = 122,576.09 × 57,957.32
  4. Step 4: Simplify right side
    81,592.31x = 7,104,181,689.13
  5. Step 5: Solve for x
    x = 7,104,181,689.13/81,592.31
  6. Step 6: Final answer
    x = 87,069.25

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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.