Home / 78,533.21-108,351.34-44,539.02

Finding the Fourth Proportional to 78,533.21, 108,351.34 and 44,539.02

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Solution

The fourth proportional to 78,533.21, 108,351.34 and 44,539.02 is: 61,449.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,533.21 : 108,351.34 = 44,539.02 : x
  2. Step 2: Convert to fraction form
    78,533.21/108,351.34 = 44,539.02/x
  3. Step 3: Cross multiply
    78,533.21x = 108,351.34 × 44,539.02
  4. Step 4: Simplify right side
    78,533.21x = 4,825,862,387.94
  5. Step 5: Solve for x
    x = 4,825,862,387.94/78,533.21
  6. Step 6: Final answer
    x = 61,449.96

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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.