Home / 63,258.15-87,261.68-40,571.89

Finding the Fourth Proportional to 63,258.15, 87,261.68 and 40,571.89

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Solution

The fourth proportional to 63,258.15, 87,261.68 and 40,571.89 is: 55,967.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,258.15 : 87,261.68 = 40,571.89 : x
  2. Step 2: Convert to fraction form
    63,258.15/87,261.68 = 40,571.89/x
  3. Step 3: Cross multiply
    63,258.15x = 87,261.68 × 40,571.89
  4. Step 4: Simplify right side
    63,258.15x = 3,540,371,492.68
  5. Step 5: Solve for x
    x = 3,540,371,492.68/63,258.15
  6. Step 6: Final answer
    x = 55,967.04

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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.