Home / 74,348.77-102,685.89-50,433.92

Finding the Fourth Proportional to 74,348.77, 102,685.89 and 50,433.92

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Solution

The fourth proportional to 74,348.77, 102,685.89 and 50,433.92 is: 69,656.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,348.77 : 102,685.89 = 50,433.92 : x
  2. Step 2: Convert to fraction form
    74,348.77/102,685.89 = 50,433.92/x
  3. Step 3: Cross multiply
    74,348.77x = 102,685.89 × 50,433.92
  4. Step 4: Simplify right side
    74,348.77x = 5,178,852,599.77
  5. Step 5: Solve for x
    x = 5,178,852,599.77/74,348.77
  6. Step 6: Final answer
    x = 69,656.20

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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.