Home / 74,437.37-102,732.39-42,616.52

Finding the Fourth Proportional to 74,437.37, 102,732.39 and 42,616.52

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Solution

The fourth proportional to 74,437.37, 102,732.39 and 42,616.52 is: 58,815.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,437.37 : 102,732.39 = 42,616.52 : x
  2. Step 2: Convert to fraction form
    74,437.37/102,732.39 = 42,616.52/x
  3. Step 3: Cross multiply
    74,437.37x = 102,732.39 × 42,616.52
  4. Step 4: Simplify right side
    74,437.37x = 4,378,096,953.08
  5. Step 5: Solve for x
    x = 4,378,096,953.08/74,437.37
  6. Step 6: Final answer
    x = 58,815.85

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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.