Home / 47,124.99-64,984.28-31,203.63

Finding the Fourth Proportional to 47,124.99, 64,984.28 and 31,203.63

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Solution

The fourth proportional to 47,124.99, 64,984.28 and 31,203.63 is: 43,029.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,124.99 : 64,984.28 = 31,203.63 : x
  2. Step 2: Convert to fraction form
    47,124.99/64,984.28 = 31,203.63/x
  3. Step 3: Cross multiply
    47,124.99x = 64,984.28 × 31,203.63
  4. Step 4: Simplify right side
    47,124.99x = 2,027,745,272.92
  5. Step 5: Solve for x
    x = 2,027,745,272.92/47,124.99
  6. Step 6: Final answer
    x = 43,029.09

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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.