Home / 98,356.83-135,753.89-62,539.85

Finding the Fourth Proportional to 98,356.83, 135,753.89 and 62,539.85

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Solution

The fourth proportional to 98,356.83, 135,753.89 and 62,539.85 is: 86,318.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,356.83 : 135,753.89 = 62,539.85 : x
  2. Step 2: Convert to fraction form
    98,356.83/135,753.89 = 62,539.85/x
  3. Step 3: Cross multiply
    98,356.83x = 135,753.89 × 62,539.85
  4. Step 4: Simplify right side
    98,356.83x = 8,490,026,926.05
  5. Step 5: Solve for x
    x = 8,490,026,926.05/98,356.83
  6. Step 6: Final answer
    x = 86,318.63

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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.