Home / 102,579.80-153,591.66-53,228.12

Finding the Fourth Proportional to 102,579.80, 153,591.66 and 53,228.12

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Solution

The fourth proportional to 102,579.80, 153,591.66 and 53,228.12 is: 79,697.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,579.80 : 153,591.66 = 53,228.12 : x
  2. Step 2: Convert to fraction form
    102,579.80/153,591.66 = 53,228.12/x
  3. Step 3: Cross multiply
    102,579.80x = 153,591.66 × 53,228.12
  4. Step 4: Simplify right side
    102,579.80x = 8,175,395,309.48
  5. Step 5: Solve for x
    x = 8,175,395,309.48/102,579.80
  6. Step 6: Final answer
    x = 79,697.91

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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.