Home / 125,389.46-173,037.44-71,675.63

Finding the Fourth Proportional to 125,389.46, 173,037.44 and 71,675.63

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Solution

The fourth proportional to 125,389.46, 173,037.44 and 71,675.63 is: 98,912.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,389.46 : 173,037.44 = 71,675.63 : x
  2. Step 2: Convert to fraction form
    125,389.46/173,037.44 = 71,675.63/x
  3. Step 3: Cross multiply
    125,389.46x = 173,037.44 × 71,675.63
  4. Step 4: Simplify right side
    125,389.46x = 12,402,567,488.48
  5. Step 5: Solve for x
    x = 12,402,567,488.48/125,389.46
  6. Step 6: Final answer
    x = 98,912.36

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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.