Home / 109,916.10-164,928.83-43,358.40

Finding the Fourth Proportional to 109,916.10, 164,928.83 and 43,358.40

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Solution

The fourth proportional to 109,916.10, 164,928.83 and 43,358.40 is: 65,059.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,916.10 : 164,928.83 = 43,358.40 : x
  2. Step 2: Convert to fraction form
    109,916.10/164,928.83 = 43,358.40/x
  3. Step 3: Cross multiply
    109,916.10x = 164,928.83 × 43,358.40
  4. Step 4: Simplify right side
    109,916.10x = 7,151,049,965.88
  5. Step 5: Solve for x
    x = 7,151,049,965.88/109,916.10
  6. Step 6: Final answer
    x = 65,059.17

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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.