Home / 55,281.12-76,287.96-32,620.14

Finding the Fourth Proportional to 55,281.12, 76,287.96 and 32,620.14

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Solution

The fourth proportional to 55,281.12, 76,287.96 and 32,620.14 is: 45,015.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,281.12 : 76,287.96 = 32,620.14 : x
  2. Step 2: Convert to fraction form
    55,281.12/76,287.96 = 32,620.14/x
  3. Step 3: Cross multiply
    55,281.12x = 76,287.96 × 32,620.14
  4. Step 4: Simplify right side
    55,281.12x = 2,488,523,935.51
  5. Step 5: Solve for x
    x = 2,488,523,935.51/55,281.12
  6. Step 6: Final answer
    x = 45,015.80

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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.