Home / 48,084.37-72,130.64-12,550.39

Finding the Fourth Proportional to 48,084.37, 72,130.64 and 12,550.39

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Solution

The fourth proportional to 48,084.37, 72,130.64 and 12,550.39 is: 18,826.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,084.37 : 72,130.64 = 12,550.39 : x
  2. Step 2: Convert to fraction form
    48,084.37/72,130.64 = 12,550.39/x
  3. Step 3: Cross multiply
    48,084.37x = 72,130.64 × 12,550.39
  4. Step 4: Simplify right side
    48,084.37x = 905,267,419.87
  5. Step 5: Solve for x
    x = 905,267,419.87/48,084.37
  6. Step 6: Final answer
    x = 18,826.65

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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.