Home / 82,830.36-124,245.06-49,559.76

Finding the Fourth Proportional to 82,830.36, 124,245.06 and 49,559.76

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Solution

The fourth proportional to 82,830.36, 124,245.06 and 49,559.76 is: 74,339.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,830.36 : 124,245.06 = 49,559.76 : x
  2. Step 2: Convert to fraction form
    82,830.36/124,245.06 = 49,559.76/x
  3. Step 3: Cross multiply
    82,830.36x = 124,245.06 × 49,559.76
  4. Step 4: Simplify right side
    82,830.36x = 6,157,555,354.79
  5. Step 5: Solve for x
    x = 6,157,555,354.79/82,830.36
  6. Step 6: Final answer
    x = 74,339.35

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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.