Home / 63,255.09-87,292.05-34,960.78

Finding the Fourth Proportional to 63,255.09, 87,292.05 and 34,960.78

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Solution

The fourth proportional to 63,255.09, 87,292.05 and 34,960.78 is: 48,245.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,255.09 : 87,292.05 = 34,960.78 : x
  2. Step 2: Convert to fraction form
    63,255.09/87,292.05 = 34,960.78/x
  3. Step 3: Cross multiply
    63,255.09x = 87,292.05 × 34,960.78
  4. Step 4: Simplify right side
    63,255.09x = 3,051,798,133.81
  5. Step 5: Solve for x
    x = 3,051,798,133.81/63,255.09
  6. Step 6: Final answer
    x = 48,245.89

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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.