Home / 125,767.90-173,508.46-71,308.58

Finding the Fourth Proportional to 125,767.90, 173,508.46 and 71,308.58

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Solution

The fourth proportional to 125,767.90, 173,508.46 and 71,308.58 is: 98,376.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,767.90 : 173,508.46 = 71,308.58 : x
  2. Step 2: Convert to fraction form
    125,767.90/173,508.46 = 71,308.58/x
  3. Step 3: Cross multiply
    125,767.90x = 173,508.46 × 71,308.58
  4. Step 4: Simplify right side
    125,767.90x = 12,372,641,900.59
  5. Step 5: Solve for x
    x = 12,372,641,900.59/125,767.90
  6. Step 6: Final answer
    x = 98,376.79

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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.