Home / 125,848.31-173,631.57-71,391.50

Finding the Fourth Proportional to 125,848.31, 173,631.57 and 71,391.50

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Solution

The fourth proportional to 125,848.31, 173,631.57 and 71,391.50 is: 98,498.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,848.31 : 173,631.57 = 71,391.50 : x
  2. Step 2: Convert to fraction form
    125,848.31/173,631.57 = 71,391.50/x
  3. Step 3: Cross multiply
    125,848.31x = 173,631.57 × 71,391.50
  4. Step 4: Simplify right side
    125,848.31x = 12,395,818,229.66
  5. Step 5: Solve for x
    x = 12,395,818,229.66/125,848.31
  6. Step 6: Final answer
    x = 98,498.09

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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.