Home / 125,389.39-173,037.37-71,675.58

Finding the Fourth Proportional to 125,389.39, 173,037.37 and 71,675.58

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Solution

The fourth proportional to 125,389.39, 173,037.37 and 71,675.58 is: 98,912.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,389.39 : 173,037.37 = 71,675.58 : x
  2. Step 2: Convert to fraction form
    125,389.39/173,037.37 = 71,675.58/x
  3. Step 3: Cross multiply
    125,389.39x = 173,037.37 × 71,675.58
  4. Step 4: Simplify right side
    125,389.39x = 12,402,553,856.42
  5. Step 5: Solve for x
    x = 12,402,553,856.42/125,389.39
  6. Step 6: Final answer
    x = 98,912.31

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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.