Home / 108,851.49-163,340.28-45,666

Finding the Fourth Proportional to 108,851.49, 163,340.28 and 45,666

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Solution

The fourth proportional to 108,851.49, 163,340.28 and 45,666 is: 68,525.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,851.49 : 163,340.28 = 45,666 : x
  2. Step 2: Convert to fraction form
    108,851.49/163,340.28 = 45,666/x
  3. Step 3: Cross multiply
    108,851.49x = 163,340.28 × 45,666
  4. Step 4: Simplify right side
    108,851.49x = 7,459,097,226.48
  5. Step 5: Solve for x
    x = 7,459,097,226.48/108,851.49
  6. Step 6: Final answer
    x = 68,525.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.