Home / 102,935.13-154,379.46-52,282.86

Finding the Fourth Proportional to 102,935.13, 154,379.46 and 52,282.86

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Solution

The fourth proportional to 102,935.13, 154,379.46 and 52,282.86 is: 78,412.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,935.13 : 154,379.46 = 52,282.86 : x
  2. Step 2: Convert to fraction form
    102,935.13/154,379.46 = 52,282.86/x
  3. Step 3: Cross multiply
    102,935.13x = 154,379.46 × 52,282.86
  4. Step 4: Simplify right side
    102,935.13x = 8,071,399,694.06
  5. Step 5: Solve for x
    x = 8,071,399,694.06/102,935.13
  6. Step 6: Final answer
    x = 78,412.49

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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.