Home / 59,142.40-81,613.20-33,645.28

Finding the Fourth Proportional to 59,142.40, 81,613.20 and 33,645.28

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Solution

The fourth proportional to 59,142.40, 81,613.20 and 33,645.28 is: 46,428.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,142.40 : 81,613.20 = 33,645.28 : x
  2. Step 2: Convert to fraction form
    59,142.40/81,613.20 = 33,645.28/x
  3. Step 3: Cross multiply
    59,142.40x = 81,613.20 × 33,645.28
  4. Step 4: Simplify right side
    59,142.40x = 2,745,898,965.70
  5. Step 5: Solve for x
    x = 2,745,898,965.70/59,142.40
  6. Step 6: Final answer
    x = 46,428.60

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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.