Home / 75,123.27-112,677.57-19,719.27

Finding the Fourth Proportional to 75,123.27, 112,677.57 and 19,719.27

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Solution

The fourth proportional to 75,123.27, 112,677.57 and 19,719.27 is: 29,576.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,123.27 : 112,677.57 = 19,719.27 : x
  2. Step 2: Convert to fraction form
    75,123.27/112,677.57 = 19,719.27/x
  3. Step 3: Cross multiply
    75,123.27x = 112,677.57 × 19,719.27
  4. Step 4: Simplify right side
    75,123.27x = 2,221,919,425.77
  5. Step 5: Solve for x
    x = 2,221,919,425.77/75,123.27
  6. Step 6: Final answer
    x = 29,576.98

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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.