Home / 103,476.38-142,836.43-60,469.88

Finding the Fourth Proportional to 103,476.38, 142,836.43 and 60,469.88

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Solution

The fourth proportional to 103,476.38, 142,836.43 and 60,469.88 is: 83,471.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,476.38 : 142,836.43 = 60,469.88 : x
  2. Step 2: Convert to fraction form
    103,476.38/142,836.43 = 60,469.88/x
  3. Step 3: Cross multiply
    103,476.38x = 142,836.43 × 60,469.88
  4. Step 4: Simplify right side
    103,476.38x = 8,637,302,214.41
  5. Step 5: Solve for x
    x = 8,637,302,214.41/103,476.38
  6. Step 6: Final answer
    x = 83,471.24

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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.