Home / 58,451.79-80,609.67-38,301.33

Finding the Fourth Proportional to 58,451.79, 80,609.67 and 38,301.33

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Solution

The fourth proportional to 58,451.79, 80,609.67 and 38,301.33 is: 52,820.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,451.79 : 80,609.67 = 38,301.33 : x
  2. Step 2: Convert to fraction form
    58,451.79/80,609.67 = 38,301.33/x
  3. Step 3: Cross multiply
    58,451.79x = 80,609.67 × 38,301.33
  4. Step 4: Simplify right side
    58,451.79x = 3,087,457,571.86
  5. Step 5: Solve for x
    x = 3,087,457,571.86/58,451.79
  6. Step 6: Final answer
    x = 52,820.58

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Similar ratio
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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.