Home / 48,917.40-73,181.70-42,415.80

Finding the Fourth Proportional to 48,917.40, 73,181.70 and 42,415.80

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Solution

The fourth proportional to 48,917.40, 73,181.70 and 42,415.80 is: 63,455.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,917.40 : 73,181.70 = 42,415.80 : x
  2. Step 2: Convert to fraction form
    48,917.40/73,181.70 = 42,415.80/x
  3. Step 3: Cross multiply
    48,917.40x = 73,181.70 × 42,415.80
  4. Step 4: Simplify right side
    48,917.40x = 3,104,060,350.86
  5. Step 5: Solve for x
    x = 3,104,060,350.86/48,917.40
  6. Step 6: Final answer
    x = 63,455.14

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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.