Home / 125,740.80-173,523.53-68,381.36

Finding the Fourth Proportional to 125,740.80, 173,523.53 and 68,381.36

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Solution

The fourth proportional to 125,740.80, 173,523.53 and 68,381.36 is: 94,366.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,740.80 : 173,523.53 = 68,381.36 : x
  2. Step 2: Convert to fraction form
    125,740.80/173,523.53 = 68,381.36/x
  3. Step 3: Cross multiply
    125,740.80x = 173,523.53 × 68,381.36
  4. Step 4: Simplify right side
    125,740.80x = 11,865,773,763.88
  5. Step 5: Solve for x
    x = 11,865,773,763.88/125,740.80
  6. Step 6: Final answer
    x = 94,366.93

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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.