Home / 88,811.09-133,214.73-28,839.50

Finding the Fourth Proportional to 88,811.09, 133,214.73 and 28,839.50

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Solution

The fourth proportional to 88,811.09, 133,214.73 and 28,839.50 is: 43,258.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,811.09 : 133,214.73 = 28,839.50 : x
  2. Step 2: Convert to fraction form
    88,811.09/133,214.73 = 28,839.50/x
  3. Step 3: Cross multiply
    88,811.09x = 133,214.73 × 28,839.50
  4. Step 4: Simplify right side
    88,811.09x = 3,841,845,539.76
  5. Step 5: Solve for x
    x = 3,841,845,539.76/88,811.09
  6. Step 6: Final answer
    x = 43,258.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.