Home / 67,916.64-101,875.88-18,001.56

Finding the Fourth Proportional to 67,916.64, 101,875.88 and 18,001.56

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Solution

The fourth proportional to 67,916.64, 101,875.88 and 18,001.56 is: 27,002.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,916.64 : 101,875.88 = 18,001.56 : x
  2. Step 2: Convert to fraction form
    67,916.64/101,875.88 = 18,001.56/x
  3. Step 3: Cross multiply
    67,916.64x = 101,875.88 × 18,001.56
  4. Step 4: Simplify right side
    67,916.64x = 1,833,924,676.37
  5. Step 5: Solve for x
    x = 1,833,924,676.37/67,916.64
  6. Step 6: Final answer
    x = 27,002.58

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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.