Home / 70,708.24-97,563.36-39,664.48

Finding the Fourth Proportional to 70,708.24, 97,563.36 and 39,664.48

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Solution

The fourth proportional to 70,708.24, 97,563.36 and 39,664.48 is: 54,729.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,708.24 : 97,563.36 = 39,664.48 : x
  2. Step 2: Convert to fraction form
    70,708.24/97,563.36 = 39,664.48/x
  3. Step 3: Cross multiply
    70,708.24x = 97,563.36 × 39,664.48
  4. Step 4: Simplify right side
    70,708.24x = 3,869,799,941.45
  5. Step 5: Solve for x
    x = 3,869,799,941.45/70,708.24
  6. Step 6: Final answer
    x = 54,729.12

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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.