Home / 48,837.20-73,412.40-45,370.40

Finding the Fourth Proportional to 48,837.20, 73,412.40 and 45,370.40

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Solution

The fourth proportional to 48,837.20, 73,412.40 and 45,370.40 is: 68,201.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,837.20 : 73,412.40 = 45,370.40 : x
  2. Step 2: Convert to fraction form
    48,837.20/73,412.40 = 45,370.40/x
  3. Step 3: Cross multiply
    48,837.20x = 73,412.40 × 45,370.40
  4. Step 4: Simplify right side
    48,837.20x = 3,330,749,952.96
  5. Step 5: Solve for x
    x = 3,330,749,952.96/48,837.20
  6. Step 6: Final answer
    x = 68,201.08

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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.