Home / 125,844.72-173,666.94-69,257.40

Finding the Fourth Proportional to 125,844.72, 173,666.94 and 69,257.40

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Solution

The fourth proportional to 125,844.72, 173,666.94 and 69,257.40 is: 95,575.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,844.72 : 173,666.94 = 69,257.40 : x
  2. Step 2: Convert to fraction form
    125,844.72/173,666.94 = 69,257.40/x
  3. Step 3: Cross multiply
    125,844.72x = 173,666.94 × 69,257.40
  4. Step 4: Simplify right side
    125,844.72x = 12,027,720,730.36
  5. Step 5: Solve for x
    x = 12,027,720,730.36/125,844.72
  6. Step 6: Final answer
    x = 95,575.89

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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.