Home / 108,857.27-163,296.21-42,302.53

Finding the Fourth Proportional to 108,857.27, 163,296.21 and 42,302.53

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Solution

The fourth proportional to 108,857.27, 163,296.21 and 42,302.53 is: 63,457.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,857.27 : 163,296.21 = 42,302.53 : x
  2. Step 2: Convert to fraction form
    108,857.27/163,296.21 = 42,302.53/x
  3. Step 3: Cross multiply
    108,857.27x = 163,296.21 × 42,302.53
  4. Step 4: Simplify right side
    108,857.27x = 6,907,842,822.41
  5. Step 5: Solve for x
    x = 6,907,842,822.41/108,857.27
  6. Step 6: Final answer
    x = 63,457.80

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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.