Home / 57,987.21-86,953.38-22,465.14

Finding the Fourth Proportional to 57,987.21, 86,953.38 and 22,465.14

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Solution

The fourth proportional to 57,987.21, 86,953.38 and 22,465.14 is: 33,687.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,987.21 : 86,953.38 = 22,465.14 : x
  2. Step 2: Convert to fraction form
    57,987.21/86,953.38 = 22,465.14/x
  3. Step 3: Cross multiply
    57,987.21x = 86,953.38 × 22,465.14
  4. Step 4: Simplify right side
    57,987.21x = 1,953,419,855.17
  5. Step 5: Solve for x
    x = 1,953,419,855.17/57,987.21
  6. Step 6: Final answer
    x = 33,687.08

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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.