Home / 102,001.10-152,965.20-35,443.40

Finding the Fourth Proportional to 102,001.10, 152,965.20 and 35,443.40

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Solution

The fourth proportional to 102,001.10, 152,965.20 and 35,443.40 is: 53,152.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,001.10 : 152,965.20 = 35,443.40 : x
  2. Step 2: Convert to fraction form
    102,001.10/152,965.20 = 35,443.40/x
  3. Step 3: Cross multiply
    102,001.10x = 152,965.20 × 35,443.40
  4. Step 4: Simplify right side
    102,001.10x = 5,421,606,769.68
  5. Step 5: Solve for x
    x = 5,421,606,769.68/102,001.10
  6. Step 6: Final answer
    x = 53,152.43

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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.