Home / 64,680.84-97,021.28-17,933.72

Finding the Fourth Proportional to 64,680.84, 97,021.28 and 17,933.72

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Solution

The fourth proportional to 64,680.84, 97,021.28 and 17,933.72 is: 26,900.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,680.84 : 97,021.28 = 17,933.72 : x
  2. Step 2: Convert to fraction form
    64,680.84/97,021.28 = 17,933.72/x
  3. Step 3: Cross multiply
    64,680.84x = 97,021.28 × 17,933.72
  4. Step 4: Simplify right side
    64,680.84x = 1,739,951,894.79
  5. Step 5: Solve for x
    x = 1,739,951,894.79/64,680.84
  6. Step 6: Final answer
    x = 26,900.58

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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.