Home / 88,729.75-133,029.01-53,661.61

Finding the Fourth Proportional to 88,729.75, 133,029.01 and 53,661.61

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Solution

The fourth proportional to 88,729.75, 133,029.01 and 53,661.61 is: 80,452.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,729.75 : 133,029.01 = 53,661.61 : x
  2. Step 2: Convert to fraction form
    88,729.75/133,029.01 = 53,661.61/x
  3. Step 3: Cross multiply
    88,729.75x = 133,029.01 × 53,661.61
  4. Step 4: Simplify right side
    88,729.75x = 7,138,550,853.31
  5. Step 5: Solve for x
    x = 7,138,550,853.31/88,729.75
  6. Step 6: Final answer
    x = 80,452.73

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1.5x scale

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.