Home / 75,670.00-113,513.20-28,307.68

Finding the Fourth Proportional to 75,670.00, 113,513.20 and 28,307.68

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Solution

The fourth proportional to 75,670.00, 113,513.20 and 28,307.68 is: 42,464.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,670.00 : 113,513.20 = 28,307.68 : x
  2. Step 2: Convert to fraction form
    75,670.00/113,513.20 = 28,307.68/x
  3. Step 3: Cross multiply
    75,670.00x = 113,513.20 × 28,307.68
  4. Step 4: Simplify right side
    75,670.00x = 3,213,294,986.82
  5. Step 5: Solve for x
    x = 3,213,294,986.82/75,670.00
  6. Step 6: Final answer
    x = 42,464.58

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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.