Home / 47,166.12-70,730.15-19,080.99

Finding the Fourth Proportional to 47,166.12, 70,730.15 and 19,080.99

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Solution

The fourth proportional to 47,166.12, 70,730.15 and 19,080.99 is: 28,613.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,166.12 : 70,730.15 = 19,080.99 : x
  2. Step 2: Convert to fraction form
    47,166.12/70,730.15 = 19,080.99/x
  3. Step 3: Cross multiply
    47,166.12x = 70,730.15 × 19,080.99
  4. Step 4: Simplify right side
    47,166.12x = 1,349,601,189.44
  5. Step 5: Solve for x
    x = 1,349,601,189.44/47,166.12
  6. Step 6: Final answer
    x = 28,613.78

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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.