Home / 87,513.39-120,766.45-53,522.25

Finding the Fourth Proportional to 87,513.39, 120,766.45 and 53,522.25

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Solution

The fourth proportional to 87,513.39, 120,766.45 and 53,522.25 is: 73,859.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,513.39 : 120,766.45 = 53,522.25 : x
  2. Step 2: Convert to fraction form
    87,513.39/120,766.45 = 53,522.25/x
  3. Step 3: Cross multiply
    87,513.39x = 120,766.45 × 53,522.25
  4. Step 4: Simplify right side
    87,513.39x = 6,463,692,128.51
  5. Step 5: Solve for x
    x = 6,463,692,128.51/87,513.39
  6. Step 6: Final answer
    x = 73,859.46

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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.