Home / 52,889.52-72,989.49-31,390.41

Finding the Fourth Proportional to 52,889.52, 72,989.49 and 31,390.41

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Solution

The fourth proportional to 52,889.52, 72,989.49 and 31,390.41 is: 43,319.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,889.52 : 72,989.49 = 31,390.41 : x
  2. Step 2: Convert to fraction form
    52,889.52/72,989.49 = 31,390.41/x
  3. Step 3: Cross multiply
    52,889.52x = 72,989.49 × 31,390.41
  4. Step 4: Simplify right side
    52,889.52x = 2,291,170,016.79
  5. Step 5: Solve for x
    x = 2,291,170,016.79/52,889.52
  6. Step 6: Final answer
    x = 43,319.92

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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.