Home / 87,383.79-120,588.48-49,143.33

Finding the Fourth Proportional to 87,383.79, 120,588.48 and 49,143.33

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Solution

The fourth proportional to 87,383.79, 120,588.48 and 49,143.33 is: 67,817.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,383.79 : 120,588.48 = 49,143.33 : x
  2. Step 2: Convert to fraction form
    87,383.79/120,588.48 = 49,143.33/x
  3. Step 3: Cross multiply
    87,383.79x = 120,588.48 × 49,143.33
  4. Step 4: Simplify right side
    87,383.79x = 5,926,119,466.84
  5. Step 5: Solve for x
    x = 5,926,119,466.84/87,383.79
  6. Step 6: Final answer
    x = 67,817.15

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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.