Home / 57,023.94-78,689.86-31,528.83

Finding the Fourth Proportional to 57,023.94, 78,689.86 and 31,528.83

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Solution

The fourth proportional to 57,023.94, 78,689.86 and 31,528.83 is: 43,508.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,023.94 : 78,689.86 = 31,528.83 : x
  2. Step 2: Convert to fraction form
    57,023.94/78,689.86 = 31,528.83/x
  3. Step 3: Cross multiply
    57,023.94x = 78,689.86 × 31,528.83
  4. Step 4: Simplify right side
    57,023.94x = 2,480,999,218.66
  5. Step 5: Solve for x
    x = 2,480,999,218.66/57,023.94
  6. Step 6: Final answer
    x = 43,508.03

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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.