Home / 48,810.30-73,215.42-42,216.90

Finding the Fourth Proportional to 48,810.30, 73,215.42 and 42,216.90

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Solution

The fourth proportional to 48,810.30, 73,215.42 and 42,216.90 is: 63,325.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,810.30 : 73,215.42 = 42,216.90 : x
  2. Step 2: Convert to fraction form
    48,810.30/73,215.42 = 42,216.90/x
  3. Step 3: Cross multiply
    48,810.30x = 73,215.42 × 42,216.90
  4. Step 4: Simplify right side
    48,810.30x = 3,090,928,064.60
  5. Step 5: Solve for x
    x = 3,090,928,064.60/48,810.30
  6. Step 6: Final answer
    x = 63,325.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.