Home / 99,784.60-149,697.70-33,245.40

Finding the Fourth Proportional to 99,784.60, 149,697.70 and 33,245.40

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Solution

The fourth proportional to 99,784.60, 149,697.70 and 33,245.40 is: 49,875.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,784.60 : 149,697.70 = 33,245.40 : x
  2. Step 2: Convert to fraction form
    99,784.60/149,697.70 = 33,245.40/x
  3. Step 3: Cross multiply
    99,784.60x = 149,697.70 × 33,245.40
  4. Step 4: Simplify right side
    99,784.60x = 4,976,759,915.58
  5. Step 5: Solve for x
    x = 4,976,759,915.58/99,784.60
  6. Step 6: Final answer
    x = 49,875.03

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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.