Home / 109,681.63-164,501.67-53,465.26

Finding the Fourth Proportional to 109,681.63, 164,501.67 and 53,465.26

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Solution

The fourth proportional to 109,681.63, 164,501.67 and 53,465.26 is: 80,187.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,681.63 : 164,501.67 = 53,465.26 : x
  2. Step 2: Convert to fraction form
    109,681.63/164,501.67 = 53,465.26/x
  3. Step 3: Cross multiply
    109,681.63x = 164,501.67 × 53,465.26
  4. Step 4: Simplify right side
    109,681.63x = 8,795,124,556.98
  5. Step 5: Solve for x
    x = 8,795,124,556.98/109,681.63
  6. Step 6: Final answer
    x = 80,187.76

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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.