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Finding the Fourth Proportional to 98,439, 135,845.88 and 60,735.12

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Solution

The fourth proportional to 98,439, 135,845.88 and 60,735.12 is: 83,814.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,439 : 135,845.88 = 60,735.12 : x
  2. Step 2: Convert to fraction form
    98,439/135,845.88 = 60,735.12/x
  3. Step 3: Cross multiply
    98,439x = 135,845.88 × 60,735.12
  4. Step 4: Simplify right side
    98,439x = 8,250,615,823.31
  5. Step 5: Solve for x
    x = 8,250,615,823.31/98,439
  6. Step 6: Final answer
    x = 83,814.50

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.