Home / 58,171.74-87,271.28-18,727.37

Finding the Fourth Proportional to 58,171.74, 87,271.28 and 18,727.37

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Solution

The fourth proportional to 58,171.74, 87,271.28 and 18,727.37 is: 28,095.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,171.74 : 87,271.28 = 18,727.37 : x
  2. Step 2: Convert to fraction form
    58,171.74/87,271.28 = 18,727.37/x
  3. Step 3: Cross multiply
    58,171.74x = 87,271.28 × 18,727.37
  4. Step 4: Simplify right side
    58,171.74x = 1,634,361,550.93
  5. Step 5: Solve for x
    x = 1,634,361,550.93/58,171.74
  6. Step 6: Final answer
    x = 28,095.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.