Home / 104,014.20-143,539.16-56,267.42

Finding the Fourth Proportional to 104,014.20, 143,539.16 and 56,267.42

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Solution

The fourth proportional to 104,014.20, 143,539.16 and 56,267.42 is: 77,648.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,014.20 : 143,539.16 = 56,267.42 : x
  2. Step 2: Convert to fraction form
    104,014.20/143,539.16 = 56,267.42/x
  3. Step 3: Cross multiply
    104,014.20x = 143,539.16 × 56,267.42
  4. Step 4: Simplify right side
    104,014.20x = 8,076,578,202.17
  5. Step 5: Solve for x
    x = 8,076,578,202.17/104,014.20
  6. Step 6: Final answer
    x = 77,648.80

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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.