Home / 83,694.04-125,434.32-39,222.70

Finding the Fourth Proportional to 83,694.04, 125,434.32 and 39,222.70

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Solution

The fourth proportional to 83,694.04, 125,434.32 and 39,222.70 is: 58,784.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,694.04 : 125,434.32 = 39,222.70 : x
  2. Step 2: Convert to fraction form
    83,694.04/125,434.32 = 39,222.70/x
  3. Step 3: Cross multiply
    83,694.04x = 125,434.32 × 39,222.70
  4. Step 4: Simplify right side
    83,694.04x = 4,919,872,703.06
  5. Step 5: Solve for x
    x = 4,919,872,703.06/83,694.04
  6. Step 6: Final answer
    x = 58,784.03

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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.