Home / 55,130.32-82,649.22-45,744.04

Finding the Fourth Proportional to 55,130.32, 82,649.22 and 45,744.04

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Solution

The fourth proportional to 55,130.32, 82,649.22 and 45,744.04 is: 68,577.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,130.32 : 82,649.22 = 45,744.04 : x
  2. Step 2: Convert to fraction form
    55,130.32/82,649.22 = 45,744.04/x
  3. Step 3: Cross multiply
    55,130.32x = 82,649.22 × 45,744.04
  4. Step 4: Simplify right side
    55,130.32x = 3,780,709,225.65
  5. Step 5: Solve for x
    x = 3,780,709,225.65/55,130.32
  6. Step 6: Final answer
    x = 68,577.68

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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.