Home / 109,666.07-164,559.93-53,506.64

Finding the Fourth Proportional to 109,666.07, 164,559.93 and 53,506.64

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Solution

The fourth proportional to 109,666.07, 164,559.93 and 53,506.64 is: 80,289.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,666.07 : 164,559.93 = 53,506.64 : x
  2. Step 2: Convert to fraction form
    109,666.07/164,559.93 = 53,506.64/x
  3. Step 3: Cross multiply
    109,666.07x = 164,559.93 × 53,506.64
  4. Step 4: Simplify right side
    109,666.07x = 8,805,048,932.94
  5. Step 5: Solve for x
    x = 8,805,048,932.94/109,666.07
  6. Step 6: Final answer
    x = 80,289.64

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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.