Home / 57,043.08-78,722.04-31,892.60

Finding the Fourth Proportional to 57,043.08, 78,722.04 and 31,892.60

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Solution

The fourth proportional to 57,043.08, 78,722.04 and 31,892.60 is: 44,013.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,043.08 : 78,722.04 = 31,892.60 : x
  2. Step 2: Convert to fraction form
    57,043.08/78,722.04 = 31,892.60/x
  3. Step 3: Cross multiply
    57,043.08x = 78,722.04 × 31,892.60
  4. Step 4: Simplify right side
    57,043.08x = 2,510,650,532.90
  5. Step 5: Solve for x
    x = 2,510,650,532.90/57,043.08
  6. Step 6: Final answer
    x = 44,013.24

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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.