Home / 83,903.04-125,815.68-31,274.64

Finding the Fourth Proportional to 83,903.04, 125,815.68 and 31,274.64

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Solution

The fourth proportional to 83,903.04, 125,815.68 and 31,274.64 is: 46,897.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,903.04 : 125,815.68 = 31,274.64 : x
  2. Step 2: Convert to fraction form
    83,903.04/125,815.68 = 31,274.64/x
  3. Step 3: Cross multiply
    83,903.04x = 125,815.68 × 31,274.64
  4. Step 4: Simplify right side
    83,903.04x = 3,934,840,098.36
  5. Step 5: Solve for x
    x = 3,934,840,098.36/83,903.04
  6. Step 6: Final answer
    x = 46,897.47

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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.