Home / 125,033.72-172,546.74-67,673.07

Finding the Fourth Proportional to 125,033.72, 172,546.74 and 67,673.07

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Solution

The fourth proportional to 125,033.72, 172,546.74 and 67,673.07 is: 93,388.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,033.72 : 172,546.74 = 67,673.07 : x
  2. Step 2: Convert to fraction form
    125,033.72/172,546.74 = 67,673.07/x
  3. Step 3: Cross multiply
    125,033.72x = 172,546.74 × 67,673.07
  4. Step 4: Simplify right side
    125,033.72x = 11,676,767,614.29
  5. Step 5: Solve for x
    x = 11,676,767,614.29/125,033.72
  6. Step 6: Final answer
    x = 93,388.95

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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.