Home / 70,941.26-97,899.68-39,111.29

Finding the Fourth Proportional to 70,941.26, 97,899.68 and 39,111.29

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Solution

The fourth proportional to 70,941.26, 97,899.68 and 39,111.29 is: 53,973.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,941.26 : 97,899.68 = 39,111.29 : x
  2. Step 2: Convert to fraction form
    70,941.26/97,899.68 = 39,111.29/x
  3. Step 3: Cross multiply
    70,941.26x = 97,899.68 × 39,111.29
  4. Step 4: Simplify right side
    70,941.26x = 3,828,982,090.33
  5. Step 5: Solve for x
    x = 3,828,982,090.33/70,941.26
  6. Step 6: Final answer
    x = 53,973.98

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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.