Home / 98,124.08-135,403.50-55,682.61

Finding the Fourth Proportional to 98,124.08, 135,403.50 and 55,682.61

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Solution

The fourth proportional to 98,124.08, 135,403.50 and 55,682.61 is: 76,837.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,124.08 : 135,403.50 = 55,682.61 : x
  2. Step 2: Convert to fraction form
    98,124.08/135,403.50 = 55,682.61/x
  3. Step 3: Cross multiply
    98,124.08x = 135,403.50 × 55,682.61
  4. Step 4: Simplify right side
    98,124.08x = 7,539,619,984.18
  5. Step 5: Solve for x
    x = 7,539,619,984.18/98,124.08
  6. Step 6: Final answer
    x = 76,837.62

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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.