Home / 67,026.90-100,557.37-31,029.31

Finding the Fourth Proportional to 67,026.90, 100,557.37 and 31,029.31

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Solution

The fourth proportional to 67,026.90, 100,557.37 and 31,029.31 is: 46,551.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,026.90 : 100,557.37 = 31,029.31 : x
  2. Step 2: Convert to fraction form
    67,026.90/100,557.37 = 31,029.31/x
  3. Step 3: Cross multiply
    67,026.90x = 100,557.37 × 31,029.31
  4. Step 4: Simplify right side
    67,026.90x = 3,120,225,477.55
  5. Step 5: Solve for x
    x = 3,120,225,477.55/67,026.90
  6. Step 6: Final answer
    x = 46,551.84

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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.