Home / 48,985.09-67,521.26-38,619.92

Finding the Fourth Proportional to 48,985.09, 67,521.26 and 38,619.92

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Solution

The fourth proportional to 48,985.09, 67,521.26 and 38,619.92 is: 53,233.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,985.09 : 67,521.26 = 38,619.92 : x
  2. Step 2: Convert to fraction form
    48,985.09/67,521.26 = 38,619.92/x
  3. Step 3: Cross multiply
    48,985.09x = 67,521.26 × 38,619.92
  4. Step 4: Simplify right side
    48,985.09x = 2,607,665,924.85
  5. Step 5: Solve for x
    x = 2,607,665,924.85/48,985.09
  6. Step 6: Final answer
    x = 53,233.87

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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.