Home / 125,996.31-189,043.47-47,116.62

Finding the Fourth Proportional to 125,996.31, 189,043.47 and 47,116.62

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Solution

The fourth proportional to 125,996.31, 189,043.47 and 47,116.62 is: 70,693.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,996.31 : 189,043.47 = 47,116.62 : x
  2. Step 2: Convert to fraction form
    125,996.31/189,043.47 = 47,116.62/x
  3. Step 3: Cross multiply
    125,996.31x = 189,043.47 × 47,116.62
  4. Step 4: Simplify right side
    125,996.31x = 8,907,089,339.47
  5. Step 5: Solve for x
    x = 8,907,089,339.47/125,996.31
  6. Step 6: Final answer
    x = 70,693.26

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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.