Home / 52,124.42-71,929.93-30,891.10

Finding the Fourth Proportional to 52,124.42, 71,929.93 and 30,891.10

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Solution

The fourth proportional to 52,124.42, 71,929.93 and 30,891.10 is: 42,628.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,124.42 : 71,929.93 = 30,891.10 : x
  2. Step 2: Convert to fraction form
    52,124.42/71,929.93 = 30,891.10/x
  3. Step 3: Cross multiply
    52,124.42x = 71,929.93 × 30,891.10
  4. Step 4: Simplify right side
    52,124.42x = 2,221,994,660.62
  5. Step 5: Solve for x
    x = 2,221,994,660.62/52,124.42
  6. Step 6: Final answer
    x = 42,628.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.