Home / 74,709.81-112,081.14-22,123.41

Finding the Fourth Proportional to 74,709.81, 112,081.14 and 22,123.41

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Solution

The fourth proportional to 74,709.81, 112,081.14 and 22,123.41 is: 33,189.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,709.81 : 112,081.14 = 22,123.41 : x
  2. Step 2: Convert to fraction form
    74,709.81/112,081.14 = 22,123.41/x
  3. Step 3: Cross multiply
    74,709.81x = 112,081.14 × 22,123.41
  4. Step 4: Simplify right side
    74,709.81x = 2,479,617,013.49
  5. Step 5: Solve for x
    x = 2,479,617,013.49/74,709.81
  6. Step 6: Final answer
    x = 33,189.98

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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.