Home / 88,119.72-121,605.54-47,833.56

Finding the Fourth Proportional to 88,119.72, 121,605.54 and 47,833.56

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Solution

The fourth proportional to 88,119.72, 121,605.54 and 47,833.56 is: 66,010.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,119.72 : 121,605.54 = 47,833.56 : x
  2. Step 2: Convert to fraction form
    88,119.72/121,605.54 = 47,833.56/x
  3. Step 3: Cross multiply
    88,119.72x = 121,605.54 × 47,833.56
  4. Step 4: Simplify right side
    88,119.72x = 5,816,825,893.92
  5. Step 5: Solve for x
    x = 5,816,825,893.92/88,119.72
  6. Step 6: Final answer
    x = 66,010.49

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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.