Home / 48,935.60-73,403.40-11,999.60

Finding the Fourth Proportional to 48,935.60, 73,403.40 and 11,999.60

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Solution

The fourth proportional to 48,935.60, 73,403.40 and 11,999.60 is: 17,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,935.60 : 73,403.40 = 11,999.60 : x
  2. Step 2: Convert to fraction form
    48,935.60/73,403.40 = 11,999.60/x
  3. Step 3: Cross multiply
    48,935.60x = 73,403.40 × 11,999.60
  4. Step 4: Simplify right side
    48,935.60x = 880,811,438.64
  5. Step 5: Solve for x
    x = 880,811,438.64/48,935.60
  6. Step 6: Final answer
    x = 17,999.40

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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.