Home / 74,465.37-102,760.38-42,631.56

Finding the Fourth Proportional to 74,465.37, 102,760.38 and 42,631.56

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Solution

The fourth proportional to 74,465.37, 102,760.38 and 42,631.56 is: 58,830.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,465.37 : 102,760.38 = 42,631.56 : x
  2. Step 2: Convert to fraction form
    74,465.37/102,760.38 = 42,631.56/x
  3. Step 3: Cross multiply
    74,465.37x = 102,760.38 × 42,631.56
  4. Step 4: Simplify right side
    74,465.37x = 4,380,835,305.59
  5. Step 5: Solve for x
    x = 4,380,835,305.59/74,465.37
  6. Step 6: Final answer
    x = 58,830.50

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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.