Home / 102,686.82-154,051.83-58,334.10

Finding the Fourth Proportional to 102,686.82, 154,051.83 and 58,334.10

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Solution

The fourth proportional to 102,686.82, 154,051.83 and 58,334.10 is: 87,513.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,686.82 : 154,051.83 = 58,334.10 : x
  2. Step 2: Convert to fraction form
    102,686.82/154,051.83 = 58,334.10/x
  3. Step 3: Cross multiply
    102,686.82x = 154,051.83 × 58,334.10
  4. Step 4: Simplify right side
    102,686.82x = 8,986,474,856.40
  5. Step 5: Solve for x
    x = 8,986,474,856.40/102,686.82
  6. Step 6: Final answer
    x = 87,513.42

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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.