Home / 54,303.60-81,674.10-48,617.40

Finding the Fourth Proportional to 54,303.60, 81,674.10 and 48,617.40

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Solution

The fourth proportional to 54,303.60, 81,674.10 and 48,617.40 is: 73,121.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,303.60 : 81,674.10 = 48,617.40 : x
  2. Step 2: Convert to fraction form
    54,303.60/81,674.10 = 48,617.40/x
  3. Step 3: Cross multiply
    54,303.60x = 81,674.10 × 48,617.40
  4. Step 4: Simplify right side
    54,303.60x = 3,970,782,389.34
  5. Step 5: Solve for x
    x = 3,970,782,389.34/54,303.60
  6. Step 6: Final answer
    x = 73,121.90

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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.