Home / 74,254.24-102,470.75-40,262.67

Finding the Fourth Proportional to 74,254.24, 102,470.75 and 40,262.67

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Solution

The fourth proportional to 74,254.24, 102,470.75 and 40,262.67 is: 55,562.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,254.24 : 102,470.75 = 40,262.67 : x
  2. Step 2: Convert to fraction form
    74,254.24/102,470.75 = 40,262.67/x
  3. Step 3: Cross multiply
    74,254.24x = 102,470.75 × 40,262.67
  4. Step 4: Simplify right side
    74,254.24x = 4,125,745,534.41
  5. Step 5: Solve for x
    x = 4,125,745,534.41/74,254.24
  6. Step 6: Final answer
    x = 55,562.42

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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.