Home / 93,451.26-140,173.25-31,121.76

Finding the Fourth Proportional to 93,451.26, 140,173.25 and 31,121.76

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Solution

The fourth proportional to 93,451.26, 140,173.25 and 31,121.76 is: 46,681.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,451.26 : 140,173.25 = 31,121.76 : x
  2. Step 2: Convert to fraction form
    93,451.26/140,173.25 = 31,121.76/x
  3. Step 3: Cross multiply
    93,451.26x = 140,173.25 × 31,121.76
  4. Step 4: Simplify right side
    93,451.26x = 4,362,438,089.31
  5. Step 5: Solve for x
    x = 4,362,438,089.31/93,451.26
  6. Step 6: Final answer
    x = 46,681.43

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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.