Home / 47,209.08-70,824.18-13,927.80

Finding the Fourth Proportional to 47,209.08, 70,824.18 and 13,927.80

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Solution

The fourth proportional to 47,209.08, 70,824.18 and 13,927.80 is: 20,894.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,209.08 : 70,824.18 = 13,927.80 : x
  2. Step 2: Convert to fraction form
    47,209.08/70,824.18 = 13,927.80/x
  3. Step 3: Cross multiply
    47,209.08x = 70,824.18 × 13,927.80
  4. Step 4: Simplify right side
    47,209.08x = 986,425,014.20
  5. Step 5: Solve for x
    x = 986,425,014.20/47,209.08
  6. Step 6: Final answer
    x = 20,894.82

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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.