Home / 72,298.20-108,374.40-32,883.60

Finding the Fourth Proportional to 72,298.20, 108,374.40 and 32,883.60

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Solution

The fourth proportional to 72,298.20, 108,374.40 and 32,883.60 is: 49,292.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,298.20 : 108,374.40 = 32,883.60 : x
  2. Step 2: Convert to fraction form
    72,298.20/108,374.40 = 32,883.60/x
  3. Step 3: Cross multiply
    72,298.20x = 108,374.40 × 32,883.60
  4. Step 4: Simplify right side
    72,298.20x = 3,563,740,419.84
  5. Step 5: Solve for x
    x = 3,563,740,419.84/72,298.20
  6. Step 6: Final answer
    x = 49,292.24

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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.