Home / 30,074.90-45,114.67-10,084.43

Finding the Fourth Proportional to 30,074.90, 45,114.67 and 10,084.43

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Solution

The fourth proportional to 30,074.90, 45,114.67 and 10,084.43 is: 15,127.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,074.90 : 45,114.67 = 10,084.43 : x
  2. Step 2: Convert to fraction form
    30,074.90/45,114.67 = 10,084.43/x
  3. Step 3: Cross multiply
    30,074.90x = 45,114.67 × 10,084.43
  4. Step 4: Simplify right side
    30,074.90x = 454,955,856.98
  5. Step 5: Solve for x
    x = 454,955,856.98/30,074.90
  6. Step 6: Final answer
    x = 15,127.43

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1.5x scale

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.