Home / 89,964.18-134,855.96-30,759.35

Finding the Fourth Proportional to 89,964.18, 134,855.96 and 30,759.35

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Solution

The fourth proportional to 89,964.18, 134,855.96 and 30,759.35 is: 46,108.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,964.18 : 134,855.96 = 30,759.35 : x
  2. Step 2: Convert to fraction form
    89,964.18/134,855.96 = 30,759.35/x
  3. Step 3: Cross multiply
    89,964.18x = 134,855.96 × 30,759.35
  4. Step 4: Simplify right side
    89,964.18x = 4,148,080,845.15
  5. Step 5: Solve for x
    x = 4,148,080,845.15/89,964.18
  6. Step 6: Final answer
    x = 46,108.14

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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.