Home / 92,347.07-127,438.92-49,905.56

Finding the Fourth Proportional to 92,347.07, 127,438.92 and 49,905.56

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Solution

The fourth proportional to 92,347.07, 127,438.92 and 49,905.56 is: 68,869.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,347.07 : 127,438.92 = 49,905.56 : x
  2. Step 2: Convert to fraction form
    92,347.07/127,438.92 = 49,905.56/x
  3. Step 3: Cross multiply
    92,347.07x = 127,438.92 × 49,905.56
  4. Step 4: Simplify right side
    92,347.07x = 6,359,910,986.99
  5. Step 5: Solve for x
    x = 6,359,910,986.99/92,347.07
  6. Step 6: Final answer
    x = 68,869.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.