Home / 67,476.84-93,129.26-40,256.43

Finding the Fourth Proportional to 67,476.84, 93,129.26 and 40,256.43

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Solution

The fourth proportional to 67,476.84, 93,129.26 and 40,256.43 is: 55,560.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,476.84 : 93,129.26 = 40,256.43 : x
  2. Step 2: Convert to fraction form
    67,476.84/93,129.26 = 40,256.43/x
  3. Step 3: Cross multiply
    67,476.84x = 93,129.26 × 40,256.43
  4. Step 4: Simplify right side
    67,476.84x = 3,749,051,536.14
  5. Step 5: Solve for x
    x = 3,749,051,536.14/67,476.84
  6. Step 6: Final answer
    x = 55,560.57

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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.