Home / 109,944.40-164,916.60-54,648.40

Finding the Fourth Proportional to 109,944.40, 164,916.60 and 54,648.40

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Solution

The fourth proportional to 109,944.40, 164,916.60 and 54,648.40 is: 81,972.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,944.40 : 164,916.60 = 54,648.40 : x
  2. Step 2: Convert to fraction form
    109,944.40/164,916.60 = 54,648.40/x
  3. Step 3: Cross multiply
    109,944.40x = 164,916.60 × 54,648.40
  4. Step 4: Simplify right side
    109,944.40x = 9,012,428,323.44
  5. Step 5: Solve for x
    x = 9,012,428,323.44/109,944.40
  6. Step 6: Final answer
    x = 81,972.60

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1.5x scale

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.