Home / 62,920.55-86,842.29-40,269.17

Finding the Fourth Proportional to 62,920.55, 86,842.29 and 40,269.17

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Solution

The fourth proportional to 62,920.55, 86,842.29 and 40,269.17 is: 55,579.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,920.55 : 86,842.29 = 40,269.17 : x
  2. Step 2: Convert to fraction form
    62,920.55/86,842.29 = 40,269.17/x
  3. Step 3: Cross multiply
    62,920.55x = 86,842.29 × 40,269.17
  4. Step 4: Simplify right side
    62,920.55x = 3,497,066,504.99
  5. Step 5: Solve for x
    x = 3,497,066,504.99/62,920.55
  6. Step 6: Final answer
    x = 55,579.09

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1.5x scale

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.