Home / 85,277.67-127,932.30-29,114.70

Finding the Fourth Proportional to 85,277.67, 127,932.30 and 29,114.70

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Solution

The fourth proportional to 85,277.67, 127,932.30 and 29,114.70 is: 43,677.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,277.67 : 127,932.30 = 29,114.70 : x
  2. Step 2: Convert to fraction form
    85,277.67/127,932.30 = 29,114.70/x
  3. Step 3: Cross multiply
    85,277.67x = 127,932.30 × 29,114.70
  4. Step 4: Simplify right side
    85,277.67x = 3,724,710,534.81
  5. Step 5: Solve for x
    x = 3,724,710,534.81/85,277.67
  6. Step 6: Final answer
    x = 43,677.44

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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.