Home / 75,842.51-113,675.17-57,062.20

Finding the Fourth Proportional to 75,842.51, 113,675.17 and 57,062.20

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Solution

The fourth proportional to 75,842.51, 113,675.17 and 57,062.20 is: 85,526.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,842.51 : 113,675.17 = 57,062.20 : x
  2. Step 2: Convert to fraction form
    75,842.51/113,675.17 = 57,062.20/x
  3. Step 3: Cross multiply
    75,842.51x = 113,675.17 × 57,062.20
  4. Step 4: Simplify right side
    75,842.51x = 6,486,554,431.89
  5. Step 5: Solve for x
    x = 6,486,554,431.89/75,842.51
  6. Step 6: Final answer
    x = 85,526.64

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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.