Home / 98,517.98-135,954.96-56,076.50

Finding the Fourth Proportional to 98,517.98, 135,954.96 and 56,076.50

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Solution

The fourth proportional to 98,517.98, 135,954.96 and 56,076.50 is: 77,385.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,517.98 : 135,954.96 = 56,076.50 : x
  2. Step 2: Convert to fraction form
    98,517.98/135,954.96 = 56,076.50/x
  3. Step 3: Cross multiply
    98,517.98x = 135,954.96 × 56,076.50
  4. Step 4: Simplify right side
    98,517.98x = 7,623,878,314.44
  5. Step 5: Solve for x
    x = 7,623,878,314.44/98,517.98
  6. Step 6: Final answer
    x = 77,385.65

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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.