Home / 105,972.10-158,813.43-53,417.14

Finding the Fourth Proportional to 105,972.10, 158,813.43 and 53,417.14

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Solution

The fourth proportional to 105,972.10, 158,813.43 and 53,417.14 is: 80,052.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,972.10 : 158,813.43 = 53,417.14 : x
  2. Step 2: Convert to fraction form
    105,972.10/158,813.43 = 53,417.14/x
  3. Step 3: Cross multiply
    105,972.10x = 158,813.43 × 53,417.14
  4. Step 4: Simplify right side
    105,972.10x = 8,483,359,224.19
  5. Step 5: Solve for x
    x = 8,483,359,224.19/105,972.10
  6. Step 6: Final answer
    x = 80,052.76

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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.