Home / 85,247.46-127,845.27-29,830.50

Finding the Fourth Proportional to 85,247.46, 127,845.27 and 29,830.50

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Solution

The fourth proportional to 85,247.46, 127,845.27 and 29,830.50 is: 44,736.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,247.46 : 127,845.27 = 29,830.50 : x
  2. Step 2: Convert to fraction form
    85,247.46/127,845.27 = 29,830.50/x
  3. Step 3: Cross multiply
    85,247.46x = 127,845.27 × 29,830.50
  4. Step 4: Simplify right side
    85,247.46x = 3,813,688,326.74
  5. Step 5: Solve for x
    x = 3,813,688,326.74/85,247.46
  6. Step 6: Final answer
    x = 44,736.68

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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.