Home / 74,243.27-102,428.85-48,763.46

Finding the Fourth Proportional to 74,243.27, 102,428.85 and 48,763.46

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Solution

The fourth proportional to 74,243.27, 102,428.85 and 48,763.46 is: 67,275.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,243.27 : 102,428.85 = 48,763.46 : x
  2. Step 2: Convert to fraction form
    74,243.27/102,428.85 = 48,763.46/x
  3. Step 3: Cross multiply
    74,243.27x = 102,428.85 × 48,763.46
  4. Step 4: Simplify right side
    74,243.27x = 4,994,784,617.68
  5. Step 5: Solve for x
    x = 4,994,784,617.68/74,243.27
  6. Step 6: Final answer
    x = 67,275.93

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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.