Home / 125,926.71-173,725.83-83,411.43

Finding the Fourth Proportional to 125,926.71, 173,725.83 and 83,411.43

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Solution

The fourth proportional to 125,926.71, 173,725.83 and 83,411.43 is: 115,072.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,926.71 : 173,725.83 = 83,411.43 : x
  2. Step 2: Convert to fraction form
    125,926.71/173,725.83 = 83,411.43/x
  3. Step 3: Cross multiply
    125,926.71x = 173,725.83 × 83,411.43
  4. Step 4: Simplify right side
    125,926.71x = 14,490,719,908.24
  5. Step 5: Solve for x
    x = 14,490,719,908.24/125,926.71
  6. Step 6: Final answer
    x = 115,072.65

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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.