Home / 125,561.46-173,304.70-71,877.48

Finding the Fourth Proportional to 125,561.46, 173,304.70 and 71,877.48

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Solution

The fourth proportional to 125,561.46, 173,304.70 and 71,877.48 is: 99,208.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,561.46 : 173,304.70 = 71,877.48 : x
  2. Step 2: Convert to fraction form
    125,561.46/173,304.70 = 71,877.48/x
  3. Step 3: Cross multiply
    125,561.46x = 173,304.70 × 71,877.48
  4. Step 4: Simplify right side
    125,561.46x = 12,456,705,108.16
  5. Step 5: Solve for x
    x = 12,456,705,108.16/125,561.46
  6. Step 6: Final answer
    x = 99,208.03

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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.