Home / 76,239.70-114,338.82-31,857.16

Finding the Fourth Proportional to 76,239.70, 114,338.82 and 31,857.16

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Solution

The fourth proportional to 76,239.70, 114,338.82 and 31,857.16 is: 47,777.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,239.70 : 114,338.82 = 31,857.16 : x
  2. Step 2: Convert to fraction form
    76,239.70/114,338.82 = 31,857.16/x
  3. Step 3: Cross multiply
    76,239.70x = 114,338.82 × 31,857.16
  4. Step 4: Simplify right side
    76,239.70x = 3,642,510,082.95
  5. Step 5: Solve for x
    x = 3,642,510,082.95/76,239.70
  6. Step 6: Final answer
    x = 47,777.08

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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.