Home / 71,439.57-98,592.18-39,614.67

Finding the Fourth Proportional to 71,439.57, 98,592.18 and 39,614.67

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Solution

The fourth proportional to 71,439.57, 98,592.18 and 39,614.67 is: 54,671.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,439.57 : 98,592.18 = 39,614.67 : x
  2. Step 2: Convert to fraction form
    71,439.57/98,592.18 = 39,614.67/x
  3. Step 3: Cross multiply
    71,439.57x = 98,592.18 × 39,614.67
  4. Step 4: Simplify right side
    71,439.57x = 3,905,695,984.25
  5. Step 5: Solve for x
    x = 3,905,695,984.25/71,439.57
  6. Step 6: Final answer
    x = 54,671.33

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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.