Home / 57,363.08-79,162.04-31,871.76

Finding the Fourth Proportional to 57,363.08, 79,162.04 and 31,871.76

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Solution

The fourth proportional to 57,363.08, 79,162.04 and 31,871.76 is: 43,983.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,363.08 : 79,162.04 = 31,871.76 : x
  2. Step 2: Convert to fraction form
    57,363.08/79,162.04 = 31,871.76/x
  3. Step 3: Cross multiply
    57,363.08x = 79,162.04 × 31,871.76
  4. Step 4: Simplify right side
    57,363.08x = 2,523,033,539.99
  5. Step 5: Solve for x
    x = 2,523,033,539.99/57,363.08
  6. Step 6: Final answer
    x = 43,983.58

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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.