Home / 54,438.43-74,969.49-49,014.67

Finding the Fourth Proportional to 54,438.43, 74,969.49 and 49,014.67

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Solution

The fourth proportional to 54,438.43, 74,969.49 and 49,014.67 is: 67,500.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,438.43 : 74,969.49 = 49,014.67 : x
  2. Step 2: Convert to fraction form
    54,438.43/74,969.49 = 49,014.67/x
  3. Step 3: Cross multiply
    54,438.43x = 74,969.49 × 49,014.67
  4. Step 4: Simplify right side
    54,438.43x = 3,674,604,812.42
  5. Step 5: Solve for x
    x = 3,674,604,812.42/54,438.43
  6. Step 6: Final answer
    x = 67,500.20

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1.5x scale

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.