Home / 76,052.64-104,948.36-42,059.12

Finding the Fourth Proportional to 76,052.64, 104,948.36 and 42,059.12

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Solution

The fourth proportional to 76,052.64, 104,948.36 and 42,059.12 is: 58,039.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,052.64 : 104,948.36 = 42,059.12 : x
  2. Step 2: Convert to fraction form
    76,052.64/104,948.36 = 42,059.12/x
  3. Step 3: Cross multiply
    76,052.64x = 104,948.36 × 42,059.12
  4. Step 4: Simplify right side
    76,052.64x = 4,414,035,667.04
  5. Step 5: Solve for x
    x = 4,414,035,667.04/76,052.64
  6. Step 6: Final answer
    x = 58,039.22

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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.