Home / 88,270.38-121,813.54-47,984.12

Finding the Fourth Proportional to 88,270.38, 121,813.54 and 47,984.12

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Solution

The fourth proportional to 88,270.38, 121,813.54 and 47,984.12 is: 66,218.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,270.38 : 121,813.54 = 47,984.12 : x
  2. Step 2: Convert to fraction form
    88,270.38/121,813.54 = 47,984.12/x
  3. Step 3: Cross multiply
    88,270.38x = 121,813.54 × 47,984.12
  4. Step 4: Simplify right side
    88,270.38x = 5,845,115,520.98
  5. Step 5: Solve for x
    x = 5,845,115,520.98/88,270.38
  6. Step 6: Final answer
    x = 66,218.31

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1.5x scale

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.