Home / 57,435.58-86,157.48-15,315.44

Finding the Fourth Proportional to 57,435.58, 86,157.48 and 15,315.44

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Solution

The fourth proportional to 57,435.58, 86,157.48 and 15,315.44 is: 22,974.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,435.58 : 86,157.48 = 15,315.44 : x
  2. Step 2: Convert to fraction form
    57,435.58/86,157.48 = 15,315.44/x
  3. Step 3: Cross multiply
    57,435.58x = 86,157.48 × 15,315.44
  4. Step 4: Simplify right side
    57,435.58x = 1,319,539,461.81
  5. Step 5: Solve for x
    x = 1,319,539,461.81/57,435.58
  6. Step 6: Final answer
    x = 22,974.25

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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.