Home / 98,267.78-135,610.05-55,828.74

Finding the Fourth Proportional to 98,267.78, 135,610.05 and 55,828.74

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Solution

The fourth proportional to 98,267.78, 135,610.05 and 55,828.74 is: 77,043.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,267.78 : 135,610.05 = 55,828.74 : x
  2. Step 2: Convert to fraction form
    98,267.78/135,610.05 = 55,828.74/x
  3. Step 3: Cross multiply
    98,267.78x = 135,610.05 × 55,828.74
  4. Step 4: Simplify right side
    98,267.78x = 7,570,938,222.84
  5. Step 5: Solve for x
    x = 7,570,938,222.84/98,267.78
  6. Step 6: Final answer
    x = 77,043.95

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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.