Home / 76,108.11-114,159.81-36,155.85

Finding the Fourth Proportional to 76,108.11, 114,159.81 and 36,155.85

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Solution

The fourth proportional to 76,108.11, 114,159.81 and 36,155.85 is: 54,232.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,108.11 : 114,159.81 = 36,155.85 : x
  2. Step 2: Convert to fraction form
    76,108.11/114,159.81 = 36,155.85/x
  3. Step 3: Cross multiply
    76,108.11x = 114,159.81 × 36,155.85
  4. Step 4: Simplify right side
    76,108.11x = 4,127,544,830.80
  5. Step 5: Solve for x
    x = 4,127,544,830.80/76,108.11
  6. Step 6: Final answer
    x = 54,232.66

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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.