Home / 109,259.80-163,898.54-30,374.04

Finding the Fourth Proportional to 109,259.80, 163,898.54 and 30,374.04

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Solution

The fourth proportional to 109,259.80, 163,898.54 and 30,374.04 is: 45,563.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,259.80 : 163,898.54 = 30,374.04 : x
  2. Step 2: Convert to fraction form
    109,259.80/163,898.54 = 30,374.04/x
  3. Step 3: Cross multiply
    109,259.80x = 163,898.54 × 30,374.04
  4. Step 4: Simplify right side
    109,259.80x = 4,978,260,809.90
  5. Step 5: Solve for x
    x = 4,978,260,809.90/109,259.80
  6. Step 6: Final answer
    x = 45,563.52

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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.