Home / 74,276.01-102,491.03-42,015.03

Finding the Fourth Proportional to 74,276.01, 102,491.03 and 42,015.03

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Solution

The fourth proportional to 74,276.01, 102,491.03 and 42,015.03 is: 57,975.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,276.01 : 102,491.03 = 42,015.03 : x
  2. Step 2: Convert to fraction form
    74,276.01/102,491.03 = 42,015.03/x
  3. Step 3: Cross multiply
    74,276.01x = 102,491.03 × 42,015.03
  4. Step 4: Simplify right side
    74,276.01x = 4,306,162,977.65
  5. Step 5: Solve for x
    x = 4,306,162,977.65/74,276.01
  6. Step 6: Final answer
    x = 57,975.15

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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.