Home / 71,629.56-107,465.83-28,913.01

Finding the Fourth Proportional to 71,629.56, 107,465.83 and 28,913.01

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Solution

The fourth proportional to 71,629.56, 107,465.83 and 28,913.01 is: 43,378.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,629.56 : 107,465.83 = 28,913.01 : x
  2. Step 2: Convert to fraction form
    71,629.56/107,465.83 = 28,913.01/x
  3. Step 3: Cross multiply
    71,629.56x = 107,465.83 × 28,913.01
  4. Step 4: Simplify right side
    71,629.56x = 3,107,160,545.17
  5. Step 5: Solve for x
    x = 3,107,160,545.17/71,629.56
  6. Step 6: Final answer
    x = 43,378.19

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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.