Home / 102,944.10-154,416.15-36,386.40

Finding the Fourth Proportional to 102,944.10, 154,416.15 and 36,386.40

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Solution

The fourth proportional to 102,944.10, 154,416.15 and 36,386.40 is: 54,579.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,944.10 : 154,416.15 = 36,386.40 : x
  2. Step 2: Convert to fraction form
    102,944.10/154,416.15 = 36,386.40/x
  3. Step 3: Cross multiply
    102,944.10x = 154,416.15 × 36,386.40
  4. Step 4: Simplify right side
    102,944.10x = 5,618,647,800.36
  5. Step 5: Solve for x
    x = 5,618,647,800.36/102,944.10
  6. Step 6: Final answer
    x = 54,579.60

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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.