Home / 48,739.29-73,111.51-13,681.68

Finding the Fourth Proportional to 48,739.29, 73,111.51 and 13,681.68

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Solution

The fourth proportional to 48,739.29, 73,111.51 and 13,681.68 is: 20,523.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,739.29 : 73,111.51 = 13,681.68 : x
  2. Step 2: Convert to fraction form
    48,739.29/73,111.51 = 13,681.68/x
  3. Step 3: Cross multiply
    48,739.29x = 73,111.51 × 13,681.68
  4. Step 4: Simplify right side
    48,739.29x = 1,000,288,284.14
  5. Step 5: Solve for x
    x = 1,000,288,284.14/48,739.29
  6. Step 6: Final answer
    x = 20,523.24

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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.