Home / 125,847.31-173,630.19-71,390.50

Finding the Fourth Proportional to 125,847.31, 173,630.19 and 71,390.50

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Solution

The fourth proportional to 125,847.31, 173,630.19 and 71,390.50 is: 98,496.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,847.31 : 173,630.19 = 71,390.50 : x
  2. Step 2: Convert to fraction form
    125,847.31/173,630.19 = 71,390.50/x
  3. Step 3: Cross multiply
    125,847.31x = 173,630.19 × 71,390.50
  4. Step 4: Simplify right side
    125,847.31x = 12,395,545,211.04
  5. Step 5: Solve for x
    x = 12,395,545,211.04/125,847.31
  6. Step 6: Final answer
    x = 98,496.71

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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.