Home / 109,411.99-164,052.26-42,772.75

Finding the Fourth Proportional to 109,411.99, 164,052.26 and 42,772.75

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Solution

The fourth proportional to 109,411.99, 164,052.26 and 42,772.75 is: 64,133.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,411.99 : 164,052.26 = 42,772.75 : x
  2. Step 2: Convert to fraction form
    109,411.99/164,052.26 = 42,772.75/x
  3. Step 3: Cross multiply
    109,411.99x = 164,052.26 × 42,772.75
  4. Step 4: Simplify right side
    109,411.99x = 7,016,966,303.92
  5. Step 5: Solve for x
    x = 7,016,966,303.92/109,411.99
  6. Step 6: Final answer
    x = 64,133.43

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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.