Home / 49,459.12-74,175.24-14,389.68

Finding the Fourth Proportional to 49,459.12, 74,175.24 and 14,389.68

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Solution

The fourth proportional to 49,459.12, 74,175.24 and 14,389.68 is: 21,580.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,459.12 : 74,175.24 = 14,389.68 : x
  2. Step 2: Convert to fraction form
    49,459.12/74,175.24 = 14,389.68/x
  3. Step 3: Cross multiply
    49,459.12x = 74,175.24 × 14,389.68
  4. Step 4: Simplify right side
    49,459.12x = 1,067,357,967.52
  5. Step 5: Solve for x
    x = 1,067,357,967.52/49,459.12
  6. Step 6: Final answer
    x = 21,580.61

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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.