Home / 57,759.12-80,115.36-56,222.93

Finding the Fourth Proportional to 57,759.12, 80,115.36 and 56,222.93

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Solution

The fourth proportional to 57,759.12, 80,115.36 and 56,222.93 is: 77,984.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,759.12 : 80,115.36 = 56,222.93 : x
  2. Step 2: Convert to fraction form
    57,759.12/80,115.36 = 56,222.93/x
  3. Step 3: Cross multiply
    57,759.12x = 80,115.36 × 56,222.93
  4. Step 4: Simplify right side
    57,759.12x = 4,504,319,876.63
  5. Step 5: Solve for x
    x = 4,504,319,876.63/57,759.12
  6. Step 6: Final answer
    x = 77,984.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.