Home / 98,113.02-135,414.63-55,675.50

Finding the Fourth Proportional to 98,113.02, 135,414.63 and 55,675.50

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Solution

The fourth proportional to 98,113.02, 135,414.63 and 55,675.50 is: 76,842.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,113.02 : 135,414.63 = 55,675.50 : x
  2. Step 2: Convert to fraction form
    98,113.02/135,414.63 = 55,675.50/x
  3. Step 3: Cross multiply
    98,113.02x = 135,414.63 × 55,675.50
  4. Step 4: Simplify right side
    98,113.02x = 7,539,277,232.57
  5. Step 5: Solve for x
    x = 7,539,277,232.57/98,113.02
  6. Step 6: Final answer
    x = 76,842.78

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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.