Home / 105,964.20-158,946.30-46,769.40

Finding the Fourth Proportional to 105,964.20, 158,946.30 and 46,769.40

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Solution

The fourth proportional to 105,964.20, 158,946.30 and 46,769.40 is: 70,154.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,964.20 : 158,946.30 = 46,769.40 : x
  2. Step 2: Convert to fraction form
    105,964.20/158,946.30 = 46,769.40/x
  3. Step 3: Cross multiply
    105,964.20x = 158,946.30 × 46,769.40
  4. Step 4: Simplify right side
    105,964.20x = 7,433,823,083.22
  5. Step 5: Solve for x
    x = 7,433,823,083.22/105,964.20
  6. Step 6: Final answer
    x = 70,154.10

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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.