Home / 43,086.48-64,313.92-39,920.28

Finding the Fourth Proportional to 43,086.48, 64,313.92 and 39,920.28

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Solution

The fourth proportional to 43,086.48, 64,313.92 and 39,920.28 is: 59,587.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,086.48 : 64,313.92 = 39,920.28 : x
  2. Step 2: Convert to fraction form
    43,086.48/64,313.92 = 39,920.28/x
  3. Step 3: Cross multiply
    43,086.48x = 64,313.92 × 39,920.28
  4. Step 4: Simplify right side
    43,086.48x = 2,567,429,694.30
  5. Step 5: Solve for x
    x = 2,567,429,694.30/43,086.48
  6. Step 6: Final answer
    x = 59,587.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.