Home / 85,668.24-118,220.28-47,425.56

Finding the Fourth Proportional to 85,668.24, 118,220.28 and 47,425.56

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Solution

The fourth proportional to 85,668.24, 118,220.28 and 47,425.56 is: 65,446.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,668.24 : 118,220.28 = 47,425.56 : x
  2. Step 2: Convert to fraction form
    85,668.24/118,220.28 = 47,425.56/x
  3. Step 3: Cross multiply
    85,668.24x = 118,220.28 × 47,425.56
  4. Step 4: Simplify right side
    85,668.24x = 5,606,662,982.36
  5. Step 5: Solve for x
    x = 5,606,662,982.36/85,668.24
  6. Step 6: Final answer
    x = 65,446.23

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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.