Home / 67,261.37-100,418.27-51,382.67

Finding the Fourth Proportional to 67,261.37, 100,418.27 and 51,382.67

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Solution

The fourth proportional to 67,261.37, 100,418.27 and 51,382.67 is: 76,712.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,261.37 : 100,418.27 = 51,382.67 : x
  2. Step 2: Convert to fraction form
    67,261.37/100,418.27 = 51,382.67/x
  3. Step 3: Cross multiply
    67,261.37x = 100,418.27 × 51,382.67
  4. Step 4: Simplify right side
    67,261.37x = 5,159,758,070.38
  5. Step 5: Solve for x
    x = 5,159,758,070.38/67,261.37
  6. Step 6: Final answer
    x = 76,712.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.