Home / 85,668.24-118,220.31-47,425.56

Finding the Fourth Proportional to 85,668.24, 118,220.31 and 47,425.56

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Solution

The fourth proportional to 85,668.24, 118,220.31 and 47,425.56 is: 65,446.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,668.24 : 118,220.31 = 47,425.56 : x
  2. Step 2: Convert to fraction form
    85,668.24/118,220.31 = 47,425.56/x
  3. Step 3: Cross multiply
    85,668.24x = 118,220.31 × 47,425.56
  4. Step 4: Simplify right side
    85,668.24x = 5,606,664,405.12
  5. Step 5: Solve for x
    x = 5,606,664,405.12/85,668.24
  6. Step 6: Final answer
    x = 65,446.24

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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.