Home / 48,765.80-73,148.70-13,705.45

Finding the Fourth Proportional to 48,765.80, 73,148.70 and 13,705.45

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Solution

The fourth proportional to 48,765.80, 73,148.70 and 13,705.45 is: 20,558.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,765.80 : 73,148.70 = 13,705.45 : x
  2. Step 2: Convert to fraction form
    48,765.80/73,148.70 = 13,705.45/x
  3. Step 3: Cross multiply
    48,765.80x = 73,148.70 × 13,705.45
  4. Step 4: Simplify right side
    48,765.80x = 1,002,536,014.76
  5. Step 5: Solve for x
    x = 1,002,536,014.76/48,765.80
  6. Step 6: Final answer
    x = 20,558.18

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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.