Home / 109,564.78-164,347.65-34,685.30

Finding the Fourth Proportional to 109,564.78, 164,347.65 and 34,685.30

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Solution

The fourth proportional to 109,564.78, 164,347.65 and 34,685.30 is: 52,028.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,564.78 : 164,347.65 = 34,685.30 : x
  2. Step 2: Convert to fraction form
    109,564.78/164,347.65 = 34,685.30/x
  3. Step 3: Cross multiply
    109,564.78x = 164,347.65 × 34,685.30
  4. Step 4: Simplify right side
    109,564.78x = 5,700,446,722.81
  5. Step 5: Solve for x
    x = 5,700,446,722.81/109,564.78
  6. Step 6: Final answer
    x = 52,028.10

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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.