Home / 102,840.23-154,279.64-46,684.27

Finding the Fourth Proportional to 102,840.23, 154,279.64 and 46,684.27

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Solution

The fourth proportional to 102,840.23, 154,279.64 and 46,684.27 is: 70,035.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,840.23 : 154,279.64 = 46,684.27 : x
  2. Step 2: Convert to fraction form
    102,840.23/154,279.64 = 46,684.27/x
  3. Step 3: Cross multiply
    102,840.23x = 154,279.64 × 46,684.27
  4. Step 4: Simplify right side
    102,840.23x = 7,202,431,548.40
  5. Step 5: Solve for x
    x = 7,202,431,548.40/102,840.23
  6. Step 6: Final answer
    x = 70,035.15

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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.