Home / 109,607.22-164,313.63-53,415.90

Finding the Fourth Proportional to 109,607.22, 164,313.63 and 53,415.90

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Solution

The fourth proportional to 109,607.22, 164,313.63 and 53,415.90 is: 80,076.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,607.22 : 164,313.63 = 53,415.90 : x
  2. Step 2: Convert to fraction form
    109,607.22/164,313.63 = 53,415.90/x
  3. Step 3: Cross multiply
    109,607.22x = 164,313.63 × 53,415.90
  4. Step 4: Simplify right side
    109,607.22x = 8,776,960,428.72
  5. Step 5: Solve for x
    x = 8,776,960,428.72/109,607.22
  6. Step 6: Final answer
    x = 80,076.48

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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.