Home / 125,740.55-173,523.19-68,381.10

Finding the Fourth Proportional to 125,740.55, 173,523.19 and 68,381.10

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Solution

The fourth proportional to 125,740.55, 173,523.19 and 68,381.10 is: 94,366.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,740.55 : 173,523.19 = 68,381.10 : x
  2. Step 2: Convert to fraction form
    125,740.55/173,523.19 = 68,381.10/x
  3. Step 3: Cross multiply
    125,740.55x = 173,523.19 × 68,381.10
  4. Step 4: Simplify right side
    125,740.55x = 11,865,706,607.71
  5. Step 5: Solve for x
    x = 11,865,706,607.71/125,740.55
  6. Step 6: Final answer
    x = 94,366.59

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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.