Home / 109,767.61-164,726.21-50,603.77

Finding the Fourth Proportional to 109,767.61, 164,726.21 and 50,603.77

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Solution

The fourth proportional to 109,767.61, 164,726.21 and 50,603.77 is: 75,940.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,767.61 : 164,726.21 = 50,603.77 : x
  2. Step 2: Convert to fraction form
    109,767.61/164,726.21 = 50,603.77/x
  3. Step 3: Cross multiply
    109,767.61x = 164,726.21 × 50,603.77
  4. Step 4: Simplify right side
    109,767.61x = 8,335,767,243.81
  5. Step 5: Solve for x
    x = 8,335,767,243.81/109,767.61
  6. Step 6: Final answer
    x = 75,940.14

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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.