Home / 73,992.19-102,085.05-45,281.95

Finding the Fourth Proportional to 73,992.19, 102,085.05 and 45,281.95

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Solution

The fourth proportional to 73,992.19, 102,085.05 and 45,281.95 is: 62,474.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,992.19 : 102,085.05 = 45,281.95 : x
  2. Step 2: Convert to fraction form
    73,992.19/102,085.05 = 45,281.95/x
  3. Step 3: Cross multiply
    73,992.19x = 102,085.05 × 45,281.95
  4. Step 4: Simplify right side
    73,992.19x = 4,622,610,129.85
  5. Step 5: Solve for x
    x = 4,622,610,129.85/73,992.19
  6. Step 6: Final answer
    x = 62,474.30

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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.