Home / 55,543.46-76,651.91-30,395.30

Finding the Fourth Proportional to 55,543.46, 76,651.91 and 30,395.30

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Solution

The fourth proportional to 55,543.46, 76,651.91 and 30,395.30 is: 41,946.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,543.46 : 76,651.91 = 30,395.30 : x
  2. Step 2: Convert to fraction form
    55,543.46/76,651.91 = 30,395.30/x
  3. Step 3: Cross multiply
    55,543.46x = 76,651.91 × 30,395.30
  4. Step 4: Simplify right side
    55,543.46x = 2,329,857,264.79
  5. Step 5: Solve for x
    x = 2,329,857,264.79/55,543.46
  6. Step 6: Final answer
    x = 41,946.57

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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.