Home / 76,020.60-104,906.70-42,486.60

Finding the Fourth Proportional to 76,020.60, 104,906.70 and 42,486.60

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Solution

The fourth proportional to 76,020.60, 104,906.70 and 42,486.60 is: 58,630.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,020.60 : 104,906.70 = 42,486.60 : x
  2. Step 2: Convert to fraction form
    76,020.60/104,906.70 = 42,486.60/x
  3. Step 3: Cross multiply
    76,020.60x = 104,906.70 × 42,486.60
  4. Step 4: Simplify right side
    76,020.60x = 4,457,129,000.22
  5. Step 5: Solve for x
    x = 4,457,129,000.22/76,020.60
  6. Step 6: Final answer
    x = 58,630.54

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1.5x scale

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.