Home / 76,819.04-106,011.12-43,284.32

Finding the Fourth Proportional to 76,819.04, 106,011.12 and 43,284.32

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Solution

The fourth proportional to 76,819.04, 106,011.12 and 43,284.32 is: 59,732.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,819.04 : 106,011.12 = 43,284.32 : x
  2. Step 2: Convert to fraction form
    76,819.04/106,011.12 = 43,284.32/x
  3. Step 3: Cross multiply
    76,819.04x = 106,011.12 × 43,284.32
  4. Step 4: Simplify right side
    76,819.04x = 4,588,619,241.64
  5. Step 5: Solve for x
    x = 4,588,619,241.64/76,819.04
  6. Step 6: Final answer
    x = 59,732.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.