Home / 125,573.40-173,242.26-71,829.72

Finding the Fourth Proportional to 125,573.40, 173,242.26 and 71,829.72

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Solution

The fourth proportional to 125,573.40, 173,242.26 and 71,829.72 is: 99,096.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,573.40 : 173,242.26 = 71,829.72 : x
  2. Step 2: Convert to fraction form
    125,573.40/173,242.26 = 71,829.72/x
  3. Step 3: Cross multiply
    125,573.40x = 173,242.26 × 71,829.72
  4. Step 4: Simplify right side
    125,573.40x = 12,443,943,027.97
  5. Step 5: Solve for x
    x = 12,443,943,027.97/125,573.40
  6. Step 6: Final answer
    x = 99,096.97

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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.