Home / 74,362.12-102,620.10-42,532.36

Finding the Fourth Proportional to 74,362.12, 102,620.10 and 42,532.36

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Solution

The fourth proportional to 74,362.12, 102,620.10 and 42,532.36 is: 58,694.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,362.12 : 102,620.10 = 42,532.36 : x
  2. Step 2: Convert to fraction form
    74,362.12/102,620.10 = 42,532.36/x
  3. Step 3: Cross multiply
    74,362.12x = 102,620.10 × 42,532.36
  4. Step 4: Simplify right side
    74,362.12x = 4,364,675,036.44
  5. Step 5: Solve for x
    x = 4,364,675,036.44/74,362.12
  6. Step 6: Final answer
    x = 58,694.87

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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.