Home / 74,195.10-102,424.70-42,357.85

Finding the Fourth Proportional to 74,195.10, 102,424.70 and 42,357.85

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Solution

The fourth proportional to 74,195.10, 102,424.70 and 42,357.85 is: 58,474.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,195.10 : 102,424.70 = 42,357.85 : x
  2. Step 2: Convert to fraction form
    74,195.10/102,424.70 = 42,357.85/x
  3. Step 3: Cross multiply
    74,195.10x = 102,424.70 × 42,357.85
  4. Step 4: Simplify right side
    74,195.10x = 4,338,489,928.73
  5. Step 5: Solve for x
    x = 4,338,489,928.73/74,195.10
  6. Step 6: Final answer
    x = 58,474.08

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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.