Home / 57,055.20-78,723.54-35,826.72

Finding the Fourth Proportional to 57,055.20, 78,723.54 and 35,826.72

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Solution

The fourth proportional to 57,055.20, 78,723.54 and 35,826.72 is: 49,432.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,055.20 : 78,723.54 = 35,826.72 : x
  2. Step 2: Convert to fraction form
    57,055.20/78,723.54 = 35,826.72/x
  3. Step 3: Cross multiply
    57,055.20x = 78,723.54 × 35,826.72
  4. Step 4: Simplify right side
    57,055.20x = 2,820,406,224.99
  5. Step 5: Solve for x
    x = 2,820,406,224.99/57,055.20
  6. Step 6: Final answer
    x = 49,432.94

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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.