Home / 98,370.98-135,705.85-58,057.28

Finding the Fourth Proportional to 98,370.98, 135,705.85 and 58,057.28

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Solution

The fourth proportional to 98,370.98, 135,705.85 and 58,057.28 is: 80,091.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,370.98 : 135,705.85 = 58,057.28 : x
  2. Step 2: Convert to fraction form
    98,370.98/135,705.85 = 58,057.28/x
  3. Step 3: Cross multiply
    98,370.98x = 135,705.85 × 58,057.28
  4. Step 4: Simplify right side
    98,370.98x = 7,878,712,531.09
  5. Step 5: Solve for x
    x = 7,878,712,531.09/98,370.98
  6. Step 6: Final answer
    x = 80,091.84

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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.