Home / 64,671.20-96,890.05-27,164.15

Finding the Fourth Proportional to 64,671.20, 96,890.05 and 27,164.15

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Solution

The fourth proportional to 64,671.20, 96,890.05 and 27,164.15 is: 40,697.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,671.20 : 96,890.05 = 27,164.15 : x
  2. Step 2: Convert to fraction form
    64,671.20/96,890.05 = 27,164.15/x
  3. Step 3: Cross multiply
    64,671.20x = 96,890.05 × 27,164.15
  4. Step 4: Simplify right side
    64,671.20x = 2,631,935,851.71
  5. Step 5: Solve for x
    x = 2,631,935,851.71/64,671.20
  6. Step 6: Final answer
    x = 40,697.19

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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.