Home / 67,215.12-92,756.14-36,999.79

Finding the Fourth Proportional to 67,215.12, 92,756.14 and 36,999.79

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Solution

The fourth proportional to 67,215.12, 92,756.14 and 36,999.79 is: 51,059.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,215.12 : 92,756.14 = 36,999.79 : x
  2. Step 2: Convert to fraction form
    67,215.12/92,756.14 = 36,999.79/x
  3. Step 3: Cross multiply
    67,215.12x = 92,756.14 × 36,999.79
  4. Step 4: Simplify right side
    67,215.12x = 3,431,957,376.82
  5. Step 5: Solve for x
    x = 3,431,957,376.82/67,215.12
  6. Step 6: Final answer
    x = 51,059.31

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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.