Home / 108,696.48-163,044.81-87,537.30

Finding the Fourth Proportional to 108,696.48, 163,044.81 and 87,537.30

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Solution

The fourth proportional to 108,696.48, 163,044.81 and 87,537.30 is: 131,306.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,696.48 : 163,044.81 = 87,537.30 : x
  2. Step 2: Convert to fraction form
    108,696.48/163,044.81 = 87,537.30/x
  3. Step 3: Cross multiply
    108,696.48x = 163,044.81 × 87,537.30
  4. Step 4: Simplify right side
    108,696.48x = 14,272,502,446.41
  5. Step 5: Solve for x
    x = 14,272,502,446.41/108,696.48
  6. Step 6: Final answer
    x = 131,306.02

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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.