Home / 77,671.20-116,507.07-23,636.41

Finding the Fourth Proportional to 77,671.20, 116,507.07 and 23,636.41

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Solution

The fourth proportional to 77,671.20, 116,507.07 and 23,636.41 is: 35,454.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,671.20 : 116,507.07 = 23,636.41 : x
  2. Step 2: Convert to fraction form
    77,671.20/116,507.07 = 23,636.41/x
  3. Step 3: Cross multiply
    77,671.20x = 116,507.07 × 23,636.41
  4. Step 4: Simplify right side
    77,671.20x = 2,753,808,874.42
  5. Step 5: Solve for x
    x = 2,753,808,874.42/77,671.20
  6. Step 6: Final answer
    x = 35,454.70

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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.