Home / 90,042.80-134,981.64-34,597.04

Finding the Fourth Proportional to 90,042.80, 134,981.64 and 34,597.04

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Solution

The fourth proportional to 90,042.80, 134,981.64 and 34,597.04 is: 51,863.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,042.80 : 134,981.64 = 34,597.04 : x
  2. Step 2: Convert to fraction form
    90,042.80/134,981.64 = 34,597.04/x
  3. Step 3: Cross multiply
    90,042.80x = 134,981.64 × 34,597.04
  4. Step 4: Simplify right side
    90,042.80x = 4,669,965,198.35
  5. Step 5: Solve for x
    x = 4,669,965,198.35/90,042.80
  6. Step 6: Final answer
    x = 51,863.84

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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.