Home / 47,806.59-71,686.64-28,850.76

Finding the Fourth Proportional to 47,806.59, 71,686.64 and 28,850.76

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Solution

The fourth proportional to 47,806.59, 71,686.64 and 28,850.76 is: 43,262.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,806.59 : 71,686.64 = 28,850.76 : x
  2. Step 2: Convert to fraction form
    47,806.59/71,686.64 = 28,850.76/x
  3. Step 3: Cross multiply
    47,806.59x = 71,686.64 × 28,850.76
  4. Step 4: Simplify right side
    47,806.59x = 2,068,213,901.59
  5. Step 5: Solve for x
    x = 2,068,213,901.59/47,806.59
  6. Step 6: Final answer
    x = 43,262.11

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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.