Home / 55,315.70-82,973.55-49,613.30

Finding the Fourth Proportional to 55,315.70, 82,973.55 and 49,613.30

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Solution

The fourth proportional to 55,315.70, 82,973.55 and 49,613.30 is: 74,419.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,315.70 : 82,973.55 = 49,613.30 : x
  2. Step 2: Convert to fraction form
    55,315.70/82,973.55 = 49,613.30/x
  3. Step 3: Cross multiply
    55,315.70x = 82,973.55 × 49,613.30
  4. Step 4: Simplify right side
    55,315.70x = 4,116,591,628.22
  5. Step 5: Solve for x
    x = 4,116,591,628.22/55,315.70
  6. Step 6: Final answer
    x = 74,419.95

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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.