Home / 85,662.23-118,212.03-47,419.56

Finding the Fourth Proportional to 85,662.23, 118,212.03 and 47,419.56

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Solution

The fourth proportional to 85,662.23, 118,212.03 and 47,419.56 is: 65,437.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,662.23 : 118,212.03 = 47,419.56 : x
  2. Step 2: Convert to fraction form
    85,662.23/118,212.03 = 47,419.56/x
  3. Step 3: Cross multiply
    85,662.23x = 118,212.03 × 47,419.56
  4. Step 4: Simplify right side
    85,662.23x = 5,605,562,449.31
  5. Step 5: Solve for x
    x = 5,605,562,449.31/85,662.23
  6. Step 6: Final answer
    x = 65,437.97

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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.