Home / 87,032.84-130,459.91-49,513.03

Finding the Fourth Proportional to 87,032.84, 130,459.91 and 49,513.03

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Solution

The fourth proportional to 87,032.84, 130,459.91 and 49,513.03 is: 74,218.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,032.84 : 130,459.91 = 49,513.03 : x
  2. Step 2: Convert to fraction form
    87,032.84/130,459.91 = 49,513.03/x
  3. Step 3: Cross multiply
    87,032.84x = 130,459.91 × 49,513.03
  4. Step 4: Simplify right side
    87,032.84x = 6,459,464,863.91
  5. Step 5: Solve for x
    x = 6,459,464,863.91/87,032.84
  6. Step 6: Final answer
    x = 74,218.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.