Home / 109,916.25-164,763.60-43,330.60

Finding the Fourth Proportional to 109,916.25, 164,763.60 and 43,330.60

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Solution

The fourth proportional to 109,916.25, 164,763.60 and 43,330.60 is: 64,952.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,916.25 : 164,763.60 = 43,330.60 : x
  2. Step 2: Convert to fraction form
    109,916.25/164,763.60 = 43,330.60/x
  3. Step 3: Cross multiply
    109,916.25x = 164,763.60 × 43,330.60
  4. Step 4: Simplify right side
    109,916.25x = 7,139,305,646.16
  5. Step 5: Solve for x
    x = 7,139,305,646.16/109,916.25
  6. Step 6: Final answer
    x = 64,952.23

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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.