Home / 47,528.40-71,206.20-38,715.60

Finding the Fourth Proportional to 47,528.40, 71,206.20 and 38,715.60

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Solution

The fourth proportional to 47,528.40, 71,206.20 and 38,715.60 is: 58,003.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,528.40 : 71,206.20 = 38,715.60 : x
  2. Step 2: Convert to fraction form
    47,528.40/71,206.20 = 38,715.60/x
  3. Step 3: Cross multiply
    47,528.40x = 71,206.20 × 38,715.60
  4. Step 4: Simplify right side
    47,528.40x = 2,756,790,756.72
  5. Step 5: Solve for x
    x = 2,756,790,756.72/47,528.40
  6. Step 6: Final answer
    x = 58,003.02

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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.