Home / 108,534.96-149,851.40-67,761.24

Finding the Fourth Proportional to 108,534.96, 149,851.40 and 67,761.24

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Solution

The fourth proportional to 108,534.96, 149,851.40 and 67,761.24 is: 93,556.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,534.96 : 149,851.40 = 67,761.24 : x
  2. Step 2: Convert to fraction form
    108,534.96/149,851.40 = 67,761.24/x
  3. Step 3: Cross multiply
    108,534.96x = 149,851.40 × 67,761.24
  4. Step 4: Simplify right side
    108,534.96x = 10,154,116,679.74
  5. Step 5: Solve for x
    x = 10,154,116,679.74/108,534.96
  6. Step 6: Final answer
    x = 93,556.18

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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.