Home / 62,615.48-86,418.20-38,749.84

Finding the Fourth Proportional to 62,615.48, 86,418.20 and 38,749.84

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Solution

The fourth proportional to 62,615.48, 86,418.20 and 38,749.84 is: 53,480.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,615.48 : 86,418.20 = 38,749.84 : x
  2. Step 2: Convert to fraction form
    62,615.48/86,418.20 = 38,749.84/x
  3. Step 3: Cross multiply
    62,615.48x = 86,418.20 × 38,749.84
  4. Step 4: Simplify right side
    62,615.48x = 3,348,691,423.09
  5. Step 5: Solve for x
    x = 3,348,691,423.09/62,615.48
  6. Step 6: Final answer
    x = 53,480.25

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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.