Home / 47,829.56-71,666.58-28,126.04

Finding the Fourth Proportional to 47,829.56, 71,666.58 and 28,126.04

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Solution

The fourth proportional to 47,829.56, 71,666.58 and 28,126.04 is: 42,143.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,829.56 : 71,666.58 = 28,126.04 : x
  2. Step 2: Convert to fraction form
    47,829.56/71,666.58 = 28,126.04/x
  3. Step 3: Cross multiply
    47,829.56x = 71,666.58 × 28,126.04
  4. Step 4: Simplify right side
    47,829.56x = 2,015,697,095.74
  5. Step 5: Solve for x
    x = 2,015,697,095.74/47,829.56
  6. Step 6: Final answer
    x = 42,143.33

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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.