Home / 71,313.31-98,405.55-42,627.27

Finding the Fourth Proportional to 71,313.31, 98,405.55 and 42,627.27

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Solution

The fourth proportional to 71,313.31, 98,405.55 and 42,627.27 is: 58,821.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,313.31 : 98,405.55 = 42,627.27 : x
  2. Step 2: Convert to fraction form
    71,313.31/98,405.55 = 42,627.27/x
  3. Step 3: Cross multiply
    71,313.31x = 98,405.55 × 42,627.27
  4. Step 4: Simplify right side
    71,313.31x = 4,194,760,195.36
  5. Step 5: Solve for x
    x = 4,194,760,195.36/71,313.31
  6. Step 6: Final answer
    x = 58,821.56

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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.