Home / 75,127.50-103,682.43-41,599.98

Finding the Fourth Proportional to 75,127.50, 103,682.43 and 41,599.98

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Solution

The fourth proportional to 75,127.50, 103,682.43 and 41,599.98 is: 57,411.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,127.50 : 103,682.43 = 41,599.98 : x
  2. Step 2: Convert to fraction form
    75,127.50/103,682.43 = 41,599.98/x
  3. Step 3: Cross multiply
    75,127.50x = 103,682.43 × 41,599.98
  4. Step 4: Simplify right side
    75,127.50x = 4,313,187,014.35
  5. Step 5: Solve for x
    x = 4,313,187,014.35/75,127.50
  6. Step 6: Final answer
    x = 57,411.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.