Home / 64,268.13-96,421.89-28,759.35

Finding the Fourth Proportional to 64,268.13, 96,421.89 and 28,759.35

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Solution

The fourth proportional to 64,268.13, 96,421.89 and 28,759.35 is: 43,147.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,268.13 : 96,421.89 = 28,759.35 : x
  2. Step 2: Convert to fraction form
    64,268.13/96,421.89 = 28,759.35/x
  3. Step 3: Cross multiply
    64,268.13x = 96,421.89 × 28,759.35
  4. Step 4: Simplify right side
    64,268.13x = 2,773,031,351.60
  5. Step 5: Solve for x
    x = 2,773,031,351.60/64,268.13
  6. Step 6: Final answer
    x = 43,147.84

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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.