Home / 88,272.52-121,816.65-47,986.63

Finding the Fourth Proportional to 88,272.52, 121,816.65 and 47,986.63

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Solution

The fourth proportional to 88,272.52, 121,816.65 and 47,986.63 is: 66,221.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,272.52 : 121,816.65 = 47,986.63 : x
  2. Step 2: Convert to fraction form
    88,272.52/121,816.65 = 47,986.63/x
  3. Step 3: Cross multiply
    88,272.52x = 121,816.65 × 47,986.63
  4. Step 4: Simplify right side
    88,272.52x = 5,845,570,511.39
  5. Step 5: Solve for x
    x = 5,845,570,511.39/88,272.52
  6. Step 6: Final answer
    x = 66,221.86

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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.