Home / 64,780.12-97,162.44-17,398.81

Finding the Fourth Proportional to 64,780.12, 97,162.44 and 17,398.81

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Solution

The fourth proportional to 64,780.12, 97,162.44 and 17,398.81 is: 26,096.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,780.12 : 97,162.44 = 17,398.81 : x
  2. Step 2: Convert to fraction form
    64,780.12/97,162.44 = 17,398.81/x
  3. Step 3: Cross multiply
    64,780.12x = 97,162.44 × 17,398.81
  4. Step 4: Simplify right side
    64,780.12x = 1,690,510,832.70
  5. Step 5: Solve for x
    x = 1,690,510,832.70/64,780.12
  6. Step 6: Final answer
    x = 26,096.14

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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.