Home / 125,575.44-173,303.82-71,877.30

Finding the Fourth Proportional to 125,575.44, 173,303.82 and 71,877.30

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Solution

The fourth proportional to 125,575.44, 173,303.82 and 71,877.30 is: 99,196.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,575.44 : 173,303.82 = 71,877.30 : x
  2. Step 2: Convert to fraction form
    125,575.44/173,303.82 = 71,877.30/x
  3. Step 3: Cross multiply
    125,575.44x = 173,303.82 × 71,877.30
  4. Step 4: Simplify right side
    125,575.44x = 12,456,610,661.29
  5. Step 5: Solve for x
    x = 12,456,610,661.29/125,575.44
  6. Step 6: Final answer
    x = 99,196.23

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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.