Home / 74,529.78-102,916.89-50,713.35

Finding the Fourth Proportional to 74,529.78, 102,916.89 and 50,713.35

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Solution

The fourth proportional to 74,529.78, 102,916.89 and 50,713.35 is: 70,029.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,529.78 : 102,916.89 = 50,713.35 : x
  2. Step 2: Convert to fraction form
    74,529.78/102,916.89 = 50,713.35/x
  3. Step 3: Cross multiply
    74,529.78x = 102,916.89 × 50,713.35
  4. Step 4: Simplify right side
    74,529.78x = 5,219,260,263.48
  5. Step 5: Solve for x
    x = 5,219,260,263.48/74,529.78
  6. Step 6: Final answer
    x = 70,029.19

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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.