Home / 57,114.06-78,817.50-31,963.56

Finding the Fourth Proportional to 57,114.06, 78,817.50 and 31,963.56

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Solution

The fourth proportional to 57,114.06, 78,817.50 and 31,963.56 is: 44,109.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,114.06 : 78,817.50 = 31,963.56 : x
  2. Step 2: Convert to fraction form
    57,114.06/78,817.50 = 31,963.56/x
  3. Step 3: Cross multiply
    57,114.06x = 78,817.50 × 31,963.56
  4. Step 4: Simplify right side
    57,114.06x = 2,519,287,890.30
  5. Step 5: Solve for x
    x = 2,519,287,890.30/57,114.06
  6. Step 6: Final answer
    x = 44,109.77

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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.