Home / 90,329.45-124,654.55-50,045.72

Finding the Fourth Proportional to 90,329.45, 124,654.55 and 50,045.72

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Solution

The fourth proportional to 90,329.45, 124,654.55 and 50,045.72 is: 69,063.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,329.45 : 124,654.55 = 50,045.72 : x
  2. Step 2: Convert to fraction form
    90,329.45/124,654.55 = 50,045.72/x
  3. Step 3: Cross multiply
    90,329.45x = 124,654.55 × 50,045.72
  4. Step 4: Simplify right side
    90,329.45x = 6,238,425,832.52
  5. Step 5: Solve for x
    x = 6,238,425,832.52/90,329.45
  6. Step 6: Final answer
    x = 69,063.04

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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.