Home / 103,074.99-154,617.15-28,193.46

Finding the Fourth Proportional to 103,074.99, 154,617.15 and 28,193.46

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Solution

The fourth proportional to 103,074.99, 154,617.15 and 28,193.46 is: 42,291.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,074.99 : 154,617.15 = 28,193.46 : x
  2. Step 2: Convert to fraction form
    103,074.99/154,617.15 = 28,193.46/x
  3. Step 3: Cross multiply
    103,074.99x = 154,617.15 × 28,193.46
  4. Step 4: Simplify right side
    103,074.99x = 4,359,192,433.84
  5. Step 5: Solve for x
    x = 4,359,192,433.84/103,074.99
  6. Step 6: Final answer
    x = 42,291.47

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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.