Home / 125,640.42-173,376.45-69,051.84

Finding the Fourth Proportional to 125,640.42, 173,376.45 and 69,051.84

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Solution

The fourth proportional to 125,640.42, 173,376.45 and 69,051.84 is: 95,287.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,640.42 : 173,376.45 = 69,051.84 : x
  2. Step 2: Convert to fraction form
    125,640.42/173,376.45 = 69,051.84/x
  3. Step 3: Cross multiply
    125,640.42x = 173,376.45 × 69,051.84
  4. Step 4: Simplify right side
    125,640.42x = 11,971,962,885.17
  5. Step 5: Solve for x
    x = 11,971,962,885.17/125,640.42
  6. Step 6: Final answer
    x = 95,287.51

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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.