Home / 76,619.32-114,829.40-42,883.96

Finding the Fourth Proportional to 76,619.32, 114,829.40 and 42,883.96

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Solution

The fourth proportional to 76,619.32, 114,829.40 and 42,883.96 is: 64,270.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,619.32 : 114,829.40 = 42,883.96 : x
  2. Step 2: Convert to fraction form
    76,619.32/114,829.40 = 42,883.96/x
  3. Step 3: Cross multiply
    76,619.32x = 114,829.40 × 42,883.96
  4. Step 4: Simplify right side
    76,619.32x = 4,924,339,396.42
  5. Step 5: Solve for x
    x = 4,924,339,396.42/76,619.32
  6. Step 6: Final answer
    x = 64,270.20

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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.