Home / 98,356.33-135,753.20-62,539.35

Finding the Fourth Proportional to 98,356.33, 135,753.20 and 62,539.35

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Solution

The fourth proportional to 98,356.33, 135,753.20 and 62,539.35 is: 86,317.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,356.33 : 135,753.20 = 62,539.35 : x
  2. Step 2: Convert to fraction form
    98,356.33/135,753.20 = 62,539.35/x
  3. Step 3: Cross multiply
    98,356.33x = 135,753.20 × 62,539.35
  4. Step 4: Simplify right side
    98,356.33x = 8,489,916,888.42
  5. Step 5: Solve for x
    x = 8,489,916,888.42/98,356.33
  6. Step 6: Final answer
    x = 86,317.95

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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.