Home / 98,076.79-135,341.98-55,634.41

Finding the Fourth Proportional to 98,076.79, 135,341.98 and 55,634.41

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Solution

The fourth proportional to 98,076.79, 135,341.98 and 55,634.41 is: 76,773.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,076.79 : 135,341.98 = 55,634.41 : x
  2. Step 2: Convert to fraction form
    98,076.79/135,341.98 = 55,634.41/x
  3. Step 3: Cross multiply
    98,076.79x = 135,341.98 × 55,634.41
  4. Step 4: Simplify right side
    98,076.79x = 7,529,671,205.53
  5. Step 5: Solve for x
    x = 7,529,671,205.53/98,076.79
  6. Step 6: Final answer
    x = 76,773.22

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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.