Home / 109,916.45-164,825.40-43,322.30

Finding the Fourth Proportional to 109,916.45, 164,825.40 and 43,322.30

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Solution

The fourth proportional to 109,916.45, 164,825.40 and 43,322.30 is: 64,964.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,916.45 : 164,825.40 = 43,322.30 : x
  2. Step 2: Convert to fraction form
    109,916.45/164,825.40 = 43,322.30/x
  3. Step 3: Cross multiply
    109,916.45x = 164,825.40 × 43,322.30
  4. Step 4: Simplify right side
    109,916.45x = 7,140,615,426.42
  5. Step 5: Solve for x
    x = 7,140,615,426.42/109,916.45
  6. Step 6: Final answer
    x = 64,964.03

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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.