Home / 47,080.08-70,614.90-13,800.54

Finding the Fourth Proportional to 47,080.08, 70,614.90 and 13,800.54

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Solution

The fourth proportional to 47,080.08, 70,614.90 and 13,800.54 is: 20,699.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,080.08 : 70,614.90 = 13,800.54 : x
  2. Step 2: Convert to fraction form
    47,080.08/70,614.90 = 13,800.54/x
  3. Step 3: Cross multiply
    47,080.08x = 70,614.90 × 13,800.54
  4. Step 4: Simplify right side
    47,080.08x = 974,523,752.05
  5. Step 5: Solve for x
    x = 974,523,752.05/47,080.08
  6. Step 6: Final answer
    x = 20,699.28

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1.5x scale

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.