Home / 103,189.62-154,767.15-47,012.34

Finding the Fourth Proportional to 103,189.62, 154,767.15 and 47,012.34

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Solution

The fourth proportional to 103,189.62, 154,767.15 and 47,012.34 is: 70,510.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,189.62 : 154,767.15 = 47,012.34 : x
  2. Step 2: Convert to fraction form
    103,189.62/154,767.15 = 47,012.34/x
  3. Step 3: Cross multiply
    103,189.62x = 154,767.15 × 47,012.34
  4. Step 4: Simplify right side
    103,189.62x = 7,275,965,876.63
  5. Step 5: Solve for x
    x = 7,275,965,876.63/103,189.62
  6. Step 6: Final answer
    x = 70,510.64

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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.