Home / 102,840.74-154,280.39-46,684.77

Finding the Fourth Proportional to 102,840.74, 154,280.39 and 46,684.77

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Solution

The fourth proportional to 102,840.74, 154,280.39 and 46,684.77 is: 70,035.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,840.74 : 154,280.39 = 46,684.77 : x
  2. Step 2: Convert to fraction form
    102,840.74/154,280.39 = 46,684.77/x
  3. Step 3: Cross multiply
    102,840.74x = 154,280.39 × 46,684.77
  4. Step 4: Simplify right side
    102,840.74x = 7,202,543,517.83
  5. Step 5: Solve for x
    x = 7,202,543,517.83/102,840.74
  6. Step 6: Final answer
    x = 70,035.90

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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.