Home / 47,485.20-71,130.60-24,124.80

Finding the Fourth Proportional to 47,485.20, 71,130.60 and 24,124.80

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Solution

The fourth proportional to 47,485.20, 71,130.60 and 24,124.80 is: 36,137.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,485.20 : 71,130.60 = 24,124.80 : x
  2. Step 2: Convert to fraction form
    47,485.20/71,130.60 = 24,124.80/x
  3. Step 3: Cross multiply
    47,485.20x = 71,130.60 × 24,124.80
  4. Step 4: Simplify right side
    47,485.20x = 1,716,011,498.88
  5. Step 5: Solve for x
    x = 1,716,011,498.88/47,485.20
  6. Step 6: Final answer
    x = 36,137.82

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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.